ยุทธภิรัตน์ ส. (2019). A CONSTRUCTION AND EFFICIENCY EVALUATION OF INSTRUCTIONAL DOCUMENT ON ENGLISH II FOR BACHELOR’S DEGREE AT NORTH BANGKOK UNIVERSITY. Academic Journal Phranakhon Rajabhat University, 10(1), 194–203. Retrieved from https://so01.tci-thaijo.org/index.php/AJPU/article/view/133543