Assefa, Abebayehu. 2023. “OPTIMIZATION OF A DOUBLE EFFECT LIBR-H20 ABSORPTION SYSTEM”. Zede: Journal of Ethiopian Engineers and Architects የኢትዮጵያ መሐንዲሶችና አርክቴክቶች መጽሔት 25 (January):53-62. https://ejol.aau.edu.et/index.php/ZEDE/article/view/6580.