DARUS, Maslina. Fungsi $\alpha$-Cembung Secara Logaritma. MATEMATIKA, [S. l.], v. 13, p. 13–19, 1997. DOI: 10.11113/matematika.v13.n.62. Disponível em: https://matematika.utm.my/index.php/matematika/article/view/62. Acesso em: 5 may. 2024.