Hulman Panjaitan, Erni Murniarti, Dewa Ayu Widyan, L.Elly AM Pandiangan, and Poltak Siringoringo. 2020. “LEGAL CERTAINTY TOWARD ADVOCATE PROFESSIONAL SPECIAL EDUCATION IN INDONESIA”. PalArch’s Journal of Archaeology of Egypt Egyptology 17 (4):1638-51. https://archives.palarch.nl/index.php/jae/article/view/1747.