Pratiwi, Dita Irwanti, and Mohammad Nurcholis. 2023. “CHEMICAL PROPERTIES OF SOIL IN QUARTZ SAND MINING IN RIAU ISLANDS PRE-RECLAMATION ACTIVITIES: SIFAT KIMIA TANAH PADA TAMBANG PASIR KUARSA DALAM KEGIATAN PRA REKLAMASI KEPULAUAN RIAU”. INTAN Jurnal Penelitian Tambang 6 (1):29-37. https://doi.org/10.56139/intan.v6i1.171.