Roza Elvyra, et al. “Food Composition in The Stomach of Selais Bungkuk (Hemisilurus Heterorhynchus) in The Kampar Kiri River, Mentulik Village, Riau Province”. Jurnal Biologi Tropis, vol. 23, no. 4, Oct. 2023, pp. 441-8, doi:10.29303/jbt.v23i4.5638.