S. Kurniawati, I. I. E. Saputra, E. P. Kurniasih, N. Lestari, and M. Taimoor, “The Role of Educational Investment and Economic Openness in the Economic Growth of Member Countries of the Organization of Islamic Cooperation (OIC): -”, Ecc, vol. 11, no. 1, pp. 1-23, May 2024.