N. Supardi and S. A. Rahmawati, “Biostratigraphy of Limestone based on Large Foraminifera in the Donggala Region, Central Sulawesi: Biostratigrafi Batugamping Berdasarkan Kandungan Foraminifera Besar di Daerah Donggala, Sulawesi Tengah”, Geocelebes, vol. 6, no. 1, pp. 47-55, Apr. 2022.