Gunarto, Anton. “PENGEMBANGAN SEA FARMING BUDIDAYA KERAMBA JARING APUNG (KJA) KERAPU (EPHINEPHELUS SP.) DI INDONESIA”. Jurnal Matematika Sains Dan Teknologi, vol. 4, no. 1, Sept. 2003, pp. 35-44, https://jurnal.ut.ac.id/index.php/jmst/article/view/668.