DETERA, Narses S.; JR., Jesus P. Togñi; SALAZAR, Kristine G.; SAÑO, Mary Ann A. Soil Test Kit: An Extension Tool of Central Bicol State University of Agriculture (CBSUA), Pili, Camarines Sur, Philippines. Journal of Management and Development Studies, [S. l.], v. 3, p. 50–61, 2014. Disponível em: https://jmds.upou.edu.ph/index.php/journal/article/view/6. Acesso em: 27 nov. 2024.