جامعة الأندلس للعلوم و التقنية Abdulkader Mohamed Bayazid, Samaher Yahya Ba-Farjoom, Aymen Saleh Qamzawy. 2023. "Knowledge-Attitude and Practice of Primary and Secondary School Students Toward Tobacco Use in Al-Mukalla City: Abdulkader Mohamed Bayazid, Samaher Yahya Ba-Farjoom, Aymen Saleh Qamzawy". مجلة الأندلس للعلوم التطبيقية 7 (2):25. http://andalusuniv.net/journ/index.php/AJAS/article/view/680.