[1]
Widya Febrina, Meriyan Elza, Resa Yulita, Hudia Hudia, and Yuliandri Yuliandri, “An Analysis on the Impact of TOEFL Course Program on English Proficiency Level of Final Year Polytechnic Students in Politeknik Pertanian Negeri Payakumbuh”, JUPENSI, vol. 5, no. 3, pp. 490–502, Dec. 2025.