Wijaya, S.ST., M.AP, Dr. Indra, and Prof. Dr. Ns. Suprapto S. Kep, M. Kes. “Research Methodology: Qualitative, Quantitative, and Mixed Methods”. E-Books_Edukasi Ilmiah Indonesia (January 7, 2026): 122. Accessed October 9, 2026. https://www.jurnal.edi.or.id/index.php/bci/article/view/166.