PENGARUH METODE KERJA KELOMPOK TERHADAP HASIL BELAJAR KESELAMATAN KERJA SISWA SMK NEGERI 3 PEMATANGSIANTAR. International Healthy and Prosperous Family Journal [Internet]. 2019 Dec. 31 [cited 2026 Apr. 2];17(2):42-50. Available from: https://jurnal.unimed.ac.id/2012/index.php/jkss/article/view/16470