Ruth Angelina Pardede, Sudirman TP Lumban gaol, Apriani Sijabat. Efektivitas Model Pembelajaran Ulos Terhadap Keterampilan Proses Sains Siswa Di Sma Swasta Ir. H. Djuanda Tebingtinggi. PIJAR [Internet]. 2026 Apr. 30 [cited 2026 May 23];4(2):734-43. Available from: https://putrapublisher.org/index.php/pijar/article/view/1654