Rivera, Ana María. “The Dye Snail (Plicopurpura Pansa) in the Municipalities of Jicalapa and Chiltiupán, La Libertad, El Salvador”. Reality and Reflection 54, no. 54 (August 24, 2021): 266–274. Accessed December 6, 2025. https://camjol.info/index.php/RyR/article/view/12085.