Rungarunthosaeng, Somjit, Orapin Kamonrobroo, Wanaporn Trasakkanon, and Warunee Ruksakunmai. 2023. “THE DEVELOPMENT OF ADJUSTING THE RESPONSIBLE BEHAVIOUR FOR SUBMITTING ASSIGNMENTS OF THAI SUBJECTS BY USING A CONDITIONAL CONTRACT FOR STAMP POINTS OF MATHAYOMSUKSA 2 STUDENTS BAN MUEANG PON COMMUNITY SCHOOL KHUN YUAM DISTRICT MAE HONG SON”. JOURNAL OF LANNA RESEARCH REVIEW 3 (1):1-6. https://so13.tci-thaijo.org/index.php/JOLRR/article/view/16.