Efforts to Improve the Ability of PKN Subject Teachers in the Use of Learning Aids Through the Implementation of Class Visit Supervision at Yunior High School Cerdas Mandiri. JSP [Internet]. 2024 Jan. 15 [cited 2026 Feb. 27];7(1):74-83. Available from: https://jurnal.unpkediri.ac.id/index.php/JSP/article/view/548