Basavarajappa, Nalina Santanahalli, and Shreedhar A. Joshi. 2026. “An Improved HAAR Particle Swarm Optimization Integrated With a Dual-Stage Huffman Coding Framework for Energy Efficient Wireless Sensor Networks”. Engineering, Technology & Applied Science Research 16 (3). Greece:35678-84. https://doi.org/10.48084/etasr.16819.