Pontororing, Hanny, et al. “Karakteristik Kupu-Kupu Spesies Troides Helena, Kupu-Kupu Dilindungi Dan Terancam Punah Di Sulawesi Utara”. JURNAL BIOS LOGOS, vol. 14, no. 2, July 2024, pp. 39-45, doi:10.35799/jbl.v14i2.52864.