《Evaluation of Substance abuse among in school and out of school youth in Sokoto, northwestern Nigeria》, AJBR, 卷 23, 期 3, 页 361–365, 9月 2020, 见于: 2026年4月6日. [在线]. 载于: https://www.ojshostng.com/index.php/ajbr/article/view/90