Helma H, Jufriadi J. Improving Students` Vocabulary Mastery Through Observe and Remember Game at the Seventh Grade SMPN 2 Palopo. Fost.j.e.l.t. [Internet]. 2020 Jul. 15 [cited 2026 Oct. 27];1(1):29-40. Available from: http://foster.pbi-iainpalopo.ac.id/index.php/contents/article/view/5