Febriola Cecilia Sigar, Gilly M. Tiwow, and Feine R. Tulung, “Pengaruh Model Pembelajaran Problem Based Learning Terhadap Hasil Belajar Siswa Kelas X di SMK Negeri 1 Bitung”, CARONG, vol. 2, no. 4, pp. 524–536, Oct. 2025, doi: 10.62710/83bha076.