Depan , Intira. 2020. “The Development of Learning Activities on Performance Skills in fon ‘Roi-et Petch Ngam’ Based-on Davies’ Instructional Model for the 4th Grade Students in Primary School”. Journal of Modern Learning Development 5 (3):168-84. https://so06.tci-thaijo.org/index.php/jomld/article/view/242611.