M. NURDIN, and USMAN. “Bioactivity Test of Compound (Hexa-Tetra Contana) from Sponge (Callyspongia Pseudoreticulata) AS Antibacterial of Withered Disease on Potato Plant (Ralstonia Solanacearum)”. International Journal of Pharma and Bio Sciences 8, no. 4 (December 31, 2017): 183–186. Accessed July 23, 2026. https://ijpbs.net/index.php/journal/article/view/6208.