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Rungarunthosaeng, S.; Kamonrobroo, O.; Trasakkanon, W.; Ruksakunmai, W. 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. JLR 2023, 3, 1-6.