(1)
แก่นบุตร ฉ.; ภิรมจิตรผ่อง เ. Development of Analytical Thinking Skills in History subject by using the Cooperative Learning Process for Mattayomsuksa Two Students of Ban Nongtao School under Ubon Ratchathani Primary Educational Service Area Office 2. ubonreseva 2021, 2, 36-45.