Adhi Sakti, Evan Yoga, and Muhammad Nafik Hadi Ryandono. “Performance of Sharia Stock Funds Based on Stock Selection Skill and Market Timing Ability in Indonesia from March 2019 to March 2021”. Jurnal Ekonomi Syariah Teori dan Terapan 9, no. 1 (January 30, 2022): 25–33. Accessed March 3, 2024. https://e-journal.unair.ac.id/JESTT/article/view/30481.