Azzahra C, Mumpuni L. Comparative Effectiveness of Merah Putih Cooperatives in Rural and Urban Areas of Ponorogo. IJCE [Internet]. 26Jun.2026 [cited 7Aug.2026];7(3):197-06. Available from: http://ejournals.fkwu.uniga.ac.id/index.php/IJCE/article/view/1231