Lestari, N. and Nabela, H. R. (2023) “Analisis Persediaan Material Gypsum, Pozzolan dan Batu Bara: Studi Kasus PT Semen Padang ”, Innovative: Journal Of Social Science Research, 3(2), pp. 7861–7869. Available at: https://j-innovative.org/index.php/Innovative/article/view/1299 (Accessed: 21 April 2026).