Wang X, Zhou Q, Chen Y, et al. Health research policy and systems. 2020; 18 (1) : 75.

Oyeyemi OT. Ubiquity Press, Ltd.. Annals of Global Health. 2020;

Sawers L, Stillwaggon E. American Society of Tropical Medicine and Hygiene. The American Journal of Tropical Medicine and Hygiene. 2020; 103 (1) : 295-302.

van 't Noordende A, Broekkamp H. Devex. 2020;

Faizal MM, Anaanthan B, Ezdiani MN, et al. ID Design 2012/DOOEL Skopje. Open Access Macedonian Journal of Medical Sciences. 2020; 8 (F) : 70-77.

Mabey D. Transactions of the Royal Society of Tropical Medicine and Hygiene. 2020; 114 (7) : 473-475.

Hammou J, Obtel M, Razine R, et al. Eastern Mediterranean health journal = La revue de sante de la Mediterranee orientale = al-Majallah al-sihhiyah li-sharq al-mutawassit. 2020; 26 (6) : 713-719.