Lisnanto, Suko, Nurkolis Nurkolis, and Rosalina Br. Ginting. “Dampak Strategi Peningkatan Kualitas Lulusan SMK Negeri 1 Purwodadi Melalui Uji Sertifikasi Kompetensi”. Cetta: Jurnal Ilmu Pendidikan 9, no. 1 (January 24, 2026): 214–222. Accessed January 25, 2026. https://jayapanguspress.penerbit.org/index.php/cetta/article/view/5230.