เอี่ยมพญา กัญภร, and น้อยมณี นิวัตต์. “THE DEVELOPMENT MODEL OF ENGLISH COMMUNICATIVE SKILLS OF PRIMARY SCHOOL TEACHERS IN CHACHAENGSAO PROVINCE FOR ASEAN COMMUNITY”. Phranakhon Rajabhat Research Journal : Humanities and Social Sciences 14, no. 2 (December 31, 2018): 58–73. accessed September 28, 2026. https://so05.tci-thaijo.org/index.php/PNRU_JHSS/article/view/145483.