Ruth Angelina Pardede, Sudirman TP Lumban gaol, and Apriani Sijabat. “Efektivitas Model Pembelajaran Ulos Terhadap Keterampilan Proses Sains Siswa Di Sma Swasta Ir. H. Djuanda Tebingtinggi”. PIJAR: Jurnal Pendidikan dan Pengajaran 4, no. 2 (April 30, 2026): 734–743. Accessed May 23, 2026. https://putrapublisher.org/index.php/pijar/article/view/1654.