Improved Energy Efficient Anytime Optimistic Algorithm for PEGASIS to Extend Network Lifetime in Homogeneous and Heterogeneous Networks. - Tadele A. Abose; Venumadhav Tekulapally; Samuel T. Daka; Diriba C. Kejela; Alemayehu E. Duguma; Desalegn T. Degaga (IEEE Access, 2025)