Hidayat, Arif. “STUDI EMPIRIS TERHADAP HARGA SAHAM PADA PT ASTRA AGRO LESTARI TBK PERIODE TAHUN 2011-2021”. JURNAL ILMIAH M-PROGRESS 15, no. 1 (January 28, 2025): 191–199. Accessed September 29, 2025. https://journal.universitassuryadarma.ac.id/index.php/ilmiahm-progress/article/view/1404.