E-COMMERCE EXPANSION AND POSTAL MODERNIZATION: A COMPARATIVE EVALUATION USING THE POSTAL DEVELOPMENT INDEX FRAMEWORK. AJPDIS [Internet]. 2024 Feb. 25 [cited 2026 Jan. 27];2(2):471-9. Available from: https://www.grnjournal.us.e-scholar.org/index.php/AJPDIS/article/view/3376