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Manatsanan Aonto, “IMPROVINGACADEMIC ACHIEVEMENT IN THE CIVICS SUBJECT USING THE ADVANCE ORGANIZER MODEL OF MATHAYOM 1/2 STUDENTS AT KALAYANAWAT SCHOOL UNDER THESECONDARY EDUCATIONAL SERVICE AREA OFFICE, KHON KAEN”, ิbmrj, vol. 9, no. 1, pp. 77–85, Jul. 2026.