Laureta R, Baldo DE, Nunag JD, Gasga K, Ebron MP. Problem Tree Analysis for Farm Communities along Bicol River Basin, Camarines Sur, Philippines. apjsafe [Internet]. 2022May30 [cited 2024Nov.22];10(1):15-1. Available from: https://ojs.bakrie.ac.id/index.php/APJSAFE/article/view/136