Samel Amper, Z. H., Dale Rios, I., Ace Caumeran, V., Javier Rigor, R., & Cleopolda Barite, T. Panaad and the Paril: traditional systems of soil and water conservation in Cebu, the Philippines. 13, 82-90.
Zona Samel Amper Ian Dale Rios Vincent Ace Caumeran Ruel Javier Rigor Teresita Cleopolda Barite