"Sequential Multiple Assignment Randomized Trials (SMART) Designs for COVID-19 Clinical Studies". African Journal of Biomedical Research 24, no. 3 (سبتمبر 30, 2021): 479–482. تاريخ الوصول أبريل 5, 2026. https://www.ojshostng.com/index.php/ajbr/article/view/1383.