Sandstone Provenance of Walanae Formation as a Parent Rock in Bulukumpa area, Bulukumba Regency, South Sulawesi: Provenance Batupasir Formasi Walanae sebagai Bahan Induk Tanah di Daerah Bulukumpa Kabupaten Bulukumba, Sulawesi Selatan. Jurnal Ecosolum, v. 12, n. 2, p. 178–191, 31 Dec.2023.