KARAKTERISTIK PASIR DAN ABU AMPAS TEBU ASAL STINGKAI KABUPATEN AGAM SUMATERA BARAT. ASCE [Internet]. 2022 Dec. 22 [cited 2026 Jun. 23];3(4):370-4. Available from: https://asce.ppj.unp.ac.id/index.php/ASCE/article/view/572