Syaiful, Syaiful, Rahmat Hidayat, Yolanda Yolanda, and Erika Putri Savira. “Pharmaceutical Industry Influencers and Stock Price Analysis on the Indonesia Stock Exchange”. Atestasi : Jurnal Ilmiah Akuntansi 7, no. 2 (September 1, 2024): 1415–1426. Accessed August 2, 2025. https://jurnal.feb-umi.id/index.php/ATESTASI/article/view/1093.