Abdul Wahab, Abdullah Aliff, Rosnah Ismail, Halim Ismail, and Nazarudin Safian. “Effectiveness of Phone Reminders to Improve Adherence to Anti-Retroviral Therapy: A Meta-Analysis”. International Journal of Public Health Research 11, no. 2 (July 1, 2021). Accessed December 7, 2021. https://spaj.ukm.my/ijphr/index.php/ijphr/article/view/313.