ÇELIKHAN, Seniha. FUNDAMENTAL PRINCIPLES OF THE MODEL OF PARTICIPATORY, PAYABLE, PROFITABLE, POTENT, INSURED EDUCATION SYSTEM (IESM). European Scientific Journal, ESJ, [S. l.], v. 10, n. 10, 2014. Disponível em: https://test.eujournal.org/index.php/esj/article/view/4780. Acesso em: 19 apr. 2025.