syamsuddin, edy. “PENGEMBANGAN PEMBINAAN PROFESI DAN KODE ETIK PEREKAYASA”. JURNAL TEKNOSAINS KODEPENA 1, no. 2 (January 31, 2021): 25–41. Accessed December 21, 2025. http://www.jtk.kodepena.org/index.php/jtk/article/view/18.