Fauzani, A. R., & Ampera, D. (2023). Development video media using study strategies groups for facial skin care learning not problems beauty cosmetology SMK Negeri 3 Pematang Siantar. Jurnal Pendidikan Teknologi Kejuruan, 6(2), 106-112. https://doi.org/10.24036/jptk.v6i2.33023