Satakhun Detphan, Tanakorn Phoo-ngernkham, Vanchai Sata, Chudapak Detphan and Prinya Chindaprasirt 2018. PORTLAND CEMENT CONTAINING FLY ASH, EXPANDED PERLITE, AND PLASTICIZER FOR MASONRY AND PLASTERING MORTARS. GEOMATE Journal. 15, 48 (Apr. 2018), 107–113.