Febrianto, A., M. S. Baskoro, D. Simbolon, J. Haluan, and M. Mustaruddin. “The Impact of Tin Mining Activities on Squid (Uroteuthis Chinensis) Fishing Ground In South Bangka”. International Journal of Sciences: Basic and Applied Research (IJSBAR), vol. 23, no. 1, June 2015, pp. 283-9, https://gssrr.org/index.php/JournalOfBasicAndApplied/article/view/4162.