M. R. Syarif, S. Chotban, H. A. Syam, N. Surya, and M. H. Safiai, Trans., “The Calendar Systems of Sulawesi Ethnic Groups from the Perspective of Falak Science”, SAMARAH, vol. 9, no. 3, Dec. 2025, doi: 10.22373/sjhk.v9.i3.26954.