“Palawan Papilionidae Smuggling As Malum Prohibitum: A Biogeography Approach on Endemic Butterflies and Review of Philippine Penal Jurisprudence”. Federation of Authors in Criminology and Criminal Justice, Inc. 1, no. 2 (December 1, 2024): 17–25. Accessed July 29, 2026. http://www.facciph.org/index.php/facci/article/view/11.