Putra, Ananda Yhuto Wibisono. “Analisis Validitas Pengembangan Modul Pembelajaran Pengelasan SMAW Berbasis Proyek (Project Based Learning)”. NUSRA : Jurnal Penelitian dan Ilmu Pendidikan 5, no. 1 (February 28, 2024): 443–454. Accessed November 24, 2024. https://ejournal.nusantaraglobal.or.id/index.php/nusra/article/view/2232.