Siahaya, Roudge Helga, et al. “Semi-Natural Spawning of the Hal Semi-Natural Spawning of the Halmahera Walking Shark (Hemiscyllium Halmahera) at UPTD Perikanan Unggulan Morotai”. Agrikan Jurnal Agribisnis Perikanan, vol. 18, no. 2, Oct. 2025, pp. 101-6, doi:10.52046/agrikan.v18i2.2642.