TY - JOUR TI - A computational analysis of energy-efficient evaporative cooling systems vs conventional cold storage for onion preservation: Hybrid approach AU - SIDDIQUI, J.A. AU - UBALE, S. JO - Sigma Journal of Engineering and Natural Sciences PY - 2026 VL - 44 SP - 2005 EP - 2026 DO - 10.14744/sigma.2026.2078 ER -