Putra, G. D. A., and M. Z. M. . Lubis. “Reaksi Pasar Modal Terhadap Pengumuman Kenaikan Harga BBM”. Proceedings of Islamic Economics, Business, and Philanthropy, vol. 1, no. 2, Nov. 2022, pp. 594-03, https://jurnalfebi.iainkediri.ac.id/index.php/proceedings/article/view/270.