พงษ์พานิชย์ กุญช์ภัสส์. 2019. “A Competency Development Model for Instructional Management of Teachers Who Teach Kindergarteners by Using Thai As a Second Language Based on Teaching Professional Learning Community Concepts”. Humanities and Social Sciences Nakhonsawan Rajabhat University Academic Journal 6 (1). Nakhon Sawan, Thailand:118-44. https://so05.tci-thaijo.org/index.php/hssnsru/article/view/213068.