“Effect of Ammonia Concentration in the Vapor Mixture Flowing Out of the Rectifier on the Evaporator Performance of the Ammonia-Water Absorption Refrigeration Machine”. Damascus University Journal for engineering sciences 34, no. 2 (July 29, 2021). Accessed June 18, 2026. https://journal.damascusuniversity.edu.sy/index.php/engj/article/view/682.