Gyawali, Tek Raj. “Effect of Air-Entrained Agent on Fresh and Hardened Properties of Cement Mortar”. AMC Indian Journal of Civil Engineering 2, no. 2 (December 31, 2019): 24–30. Accessed October 27, 2025. https://www.indianjournalofentrepreneurship.com/index.php/IJCE/article/view/149070.