Suryani, E., W. N. Wari, R. Fachtiar, and A. Rohman. “BATU BATA ‘U-LOCK’ DENGAN BAHAN TAMBAH SERBUK LIMBAH GYPSUM”. Prosiding Seminar Nasional Terapan Riset Inovatif (SENTRINOV), vol. 6, no. 1, Nov. 2020, pp. 658-64, https://proceeding.isas.or.id/index.php/sentrinov/article/view/533.