S. Chiranorawanit and S. Suthisripok, “THE STUDY OF OUTDOOR LEARNING ON ONLINE TEACHING MEDIA FOR YEAR 4 MECHANICAL ENGINEERING STUDENT, FACULTY OF TECHNICAL EDUCATION, RAJAMANGALA UNIVERSITY OF TECHNOLOGY KRUNGTHEP ”, UTK.L-ArtS.J., vol. 2, no. 2, pp. 54–59, Sep. 2020.