Rakhmanov, Ganiboy T., Mirzo Ulugbek National University of Uzbekistan, Republic of Uzbekistan, Tashkent Rakhmanov, Ganiboy T., National University of Uzbekistan named after Mirzo Ulugbek, Tashkent, Uzbekistan Rakhmanova, Shirin, Urgench State University, Uzbekistan Rakhmatov, Akhmad Z., JSC Photon, Tashkent, Uzbekistan Rakhmonov, Tokhirbek I., Fergana Polytechnic Institute, Fergana, Uzbekistan Rakhmonov, Tokhirbek I., Fergana Polytechnic Institute, Fergana, Uzbekistan Rakhmonov, Tokhirbek I., Fergana State Technical University, Fergana, Uzbekistan Rakhmonov, Tokhirbek I., Fergana State Technical University, Fergana, Uzbekistan Ramadhan, Muhammad R., Department of Chemical Engineering, Faculty of Industrial Engineering, UPN Veteran Yogyakarta, Sleman, Indonesia Ramakoti, I. Siva , Centurion University of Technology and Management, Paralakhemundi, Odisha, India Ramalan, A.M., Department of Physics, University of Abuja, Abuja, Nigeria Ramasekhar , Gunisetty , Department of Mathematics, Rajeev Gandhi Memorial College of Engineering and Technology (Autonomous), Nandyal, Andhra Pradesh, India Rambabu, A., Department of Basic Sciences and Humanities, GMR Institute of Technology, Rajam, Andhra Pradesh, India Rambabu, P.V., SRKR Engineering College (A), Bhimavaram, India Ramprasad, Tenneti, Department of Mathematics, Vasavi College of Engineering(A), Hyderabad, India Ramudu, Gattu Venkata, Department of Applied Mathematics, Yogi Vemana University, Kadapa, A.P., India Rani, K. Jhansi, Freshman Engineering Department, Lakireddy Bali Reddy College of Engineering, L.B. Reddy Nagar, Mylavaram, Andhra Pradesh, India Rani, N. Sri Lakshmi Sudha, Department of Applied Mathematics, Andhra University, Visakhapatnam, India; Department of Humanities and Sciences, Teegala Krishna Reddy Engineering College, Hyderabad, India Rani, N. Sri Lakshmi Sudha, Department of Applied Mathematics, College of Science and Technology, Andhra University, Visakhapatnam, India Rani, Neelam, Department of Physics, J. C. Bose University of Science and Technology, YMCA, Faridabad, Haryana Rani, Upasana, Department of Physics, Banasthali Vidyapith, Rajasthan, India Rao, A. Ganapathi, Department of Basic Sciences and Humanities, GMR Institute of Technology, Rajam, India Rao, A. Ganapathi, Department of Basic Sciences and Humanities, GMR Institute of Technology, Rajam, India Rao, A. Krishna, Department of Mathematics, Government Degree College, Chodavaram, Andhrapradesh, India Rao, A. Srinivasa, Andhra University, Visakhapatnam, India Rao, B. Purna Chandra, Department of Chemistry, Gandhi Institute of Technology and Management, Hyderabad, Telangana, India Rao, D. Purnachandra , Department of Mathematics, Matrusri Engineering College, Saidabad, Hyderabad, Telangana, India Rao, Diddi Srinivasa, Department of Mathematics, Aditya University, Surampalem, India Rao, Gade Narsinga, Department of Physics. Marri Laxman Reddy Institute of Technology and Management, Dundigal, Hyderabad, Telangana, India Rao, L. Srinivasa, Centre for Nanoscience and Technology, Department of Physics, VNR Vignana Jyothi Institute of Engineering and Technology, Bachupally, HYD., TG, India Rao, M.P.V.V. Bhaskara , Department of Basic Sciences and Humanities, Vignan’s Institute of Information Technology (A), Vishakhapatnam, Andhra Pradesh, India Rao, M.V. Subba , Department of Mathematics, Anil Neerukonda Institute of Technology & Sciences (ANITS), Visakhapatnam, India Rao, S. Ramalingeswara, Department of EM&H, S.R.K.R. Engineering College, Bhimavaram, Andhra Pradesh – 534204, India Rao, Shiva, Department of Mathematics, Dibrugarh University, Dibrugarh, India Rashid, Farhan Lafta, University of Kerbala, College of Engineering, Petroleum Engineering Department, Iraq Rashid, Farhan Lafta, University of Kerbala, College of Engineering, Petroleum Engineering Department, Iraq Rashid, Harun Al, Department of Mathematics, Bilasipara College, Assam, India Rashid, Harun Al, Department of Mathematics, Bilasipara College, Bilasipara, India Rashid, Jamal M., University of Sulaimani, College of Science, department of Physics, Qlyasan street, Sulaymaniyah, Kurdistan Region, Iraq Rasulov, Rustam Y., Fergana State University, Fergana, Uzbekistan Rasulov, Rustam Y., Fergana State University, Fergana, Uzbekistan Rasulov, Vokhob, Fergana State University, Fergana, Uzbekistan Rasulov, Vokhob R., Fergana State University, Fergana, Uzbekistan Rasulov, Vokhob R., Fergana State University, Fergana, Uzbekistan Rasulov, Vokhob R., Fergana State University, Fergana, Uzbekistan Rasulov, Voxob R., Fergana State University, Fergana, Uzbekistan Rasulov, Voxob R., Fergana State University, Fergana, Uzbekistan Rasulov, Voxob R., Fergana State University, Fergana, Uzbekistan Rasulov, Voxob R., Fergana State University, Fergana, Uzbekistan Rasulova, Markhabo B., Andijan state university named after Z.M. Babur, Andijan, Uzbekistan