Bernadain D. Polii, Seska M.H. Mengko, Diane Tangian, Bervie F. Rondonuwu 2026. Teaching Factory Management Model (TEFA) in Improving the Competency of Students in the Hospitality Sector Majoring in Tourism at the Manado State Polytechnic. International Journal of Special Education. 41, 7s (Jun. 2026), 1169–1177.