Improve Teacher Performance Development In Developing The Lesson Plans To Get The Quality Of Effective Education And Efficient In Smpn 04 Koto Xi Tarusan. JIPS [Internet]. 2018 Oct. 28 [cited 2026 Jan. 29];2(2):11-9. Available from: https://e-journal.sastra-unes.com/index.php/JIPS/article/view/262