C. VASQUEZ, Franz Yanzy; P. FUENTES, Aileen Grace; F. CASINILLO, Leomarich. Evaluating eco-friendly soil neutralizers: The use of pulverized eggshells and clam shells in enhancing rice field soil acidity. EDUCATUM Journal of Science, Mathematics and Technology, [S. l.], v. 11, n. 1, p. 101–109, 2024. DOI: 10.37134/ejsmt.vol11.1.10.2024. Disponível em: https://ejournal.upsi.edu.my/index.php/EJSMT/article/view/9088. Acesso em: 13 may. 2025.