HARDENBERG, Dr. J. D.F. “DROLOGiCALAND ICHTHYOLOGICAL OBSERVATIONS IN THE MOUTH OF THE KUMAI-RIVER S.W. BORNO”. Treubia 16, no. 1 (March 7, 2025): 1–14. Accessed December 6, 2025. https://ejournal.brin.go.id/treubia/article/view/9784.