Wongsakoonkan, W., Ju-ngam, B., Komuttiban, P. and Klunbut, P. 2021. A COMPARISON OF UNDERGRADUATE STUDENTS’ LEARNING ACHIEVEMENT ADMITTED THROUGH DIRECT EXAMINATION AND ADMISSION; A CASE STUDY: THE DEPARTMENT OF OCCUPATIONAL HEALTH AND SAFETY, FACULTY OF SCIENCE AND TECHNOLOGY, VALAYA ALONGKORN RAJABHAT UNIVERSITY UNDER THE ROYAL PATRONAGE, PATHUM THANI PROVINCE. Valaya Alongkorn Review. 11, 1 (Apr. 2021), 1–12.