Mutiara, Erli, Nuwairy Hilda, Riana Friska Siahaan, Fatma Tresno Ingtyas, and Perawati , Simaremare. “Pengaruh Model Pembelajaran Kooperatif Tipe Group Investigation Terhadap Hasil Belajar Bakery Siswa SMK S Pariwisata Imelda Medan ”. Jurnal Pendidikan Tambusai 4, no. 3 (December 25, 2020): 3598–3603. Accessed November 22, 2024. http://jptam.org/index.php/jptam/article/view/3163.