Prasanthi, U. D., Tejeswararao, D., Nagaraju, M., Aditya, Y. and Suryanarayana, G. (2026) “Observational Constraints on Plane Symmetric Renyi Holographic Dark Energy Universe with Scalar Fields and Cosmic Strings”, East European Journal of Physics, (1), pp. 29-44. doi: 10.26565/2312-4334-2026-1-03.