เปียประเสริฐ อ, ชัยสุข พ. Guidelines for Promoting Discipline According to the Kalyanamitta principles for lower Secondary Students of thammasat School khlong luang Wittayakhom, Pathumthani Primary Educational Service area 1. par [Internet]. 2023Jun.29 [cited 2025Aug.27];5(1):82-101. Available from: https://www.awut.org/ojs/index.php/paramita/article/view/205