DESIGN AND IMPLEMENTATION OF A WEB-BASED CREDIT COOPERATIVE INFORMATION SYSTEM AT SIDO MANUNGGAL COOPERATIVE USING CODEIGNITER 4 FRAMEWORK. antivirus [Internet]. 2025 Dec. 15 [cited 2026 Jan. 9];19(2):264-7. Available from: https://ejournal.unisbablitar.ac.id/index.php/antivirus/article/view/4773