KIKY, Andreas. Analisis January Effect Pada Saham Astra Internasional (ASII) Di Bursa Efek Indonesia Pada Periode 2005 - 2015. Ultima Management : Jurnal Ilmu Manajemen, [S. l.], v. 8, n. 2, p. 54–63, 2016. DOI: 10.31937/manajemen.v8i2.592. Disponível em: https://ejournals.umn.ac.id/index.php/manajemen/article/view/592. Acesso em: 2 jul. 2025.