Yang J, Chayanuvat A. The Effects of Production-Oriented Approach on Chinese Vocational College Students’ English Speaking Ability. Inte Mana Tour [internet]. 2024 Jun. 30 [cited 2025 Apr. 24];8(1):115-34. available from: https://so03.tci-thaijo.org/index.php/ijmmt/article/view/274182