Silalahi TF, Silalahi M, Rizka Ayuningtya, Julianto T. The Implementation Of Project Based Learning (PjBL) To Improve The Students’ Writing Skill At Seventh Grade Of SMP Swasta YPK Pematang Siantar. JBL [Internet]. 2024 Apr. 30 [cited 2024 Jul. 3];6(1):50 -. Available from: https://jurnal.usi.ac.id/index.php/bilingual/article/view/1218