Warto, Warto, et al. “Performance Evaluation of PHP Data Object and Native Database Connection for CRUD Optimization Across MySQL, PostgreSQL, and MySQLite”. JUITA: Jurnal Informatika, vol. 14, no. 2, July 2026, pp. 271-80, http://jurnalnasional.ump.ac.id/index.php/JUITA/article/view/28822.