1.
Khalid S, Khusro S, Ullah I, Dawson-Amoah G. On The Current State of Scholarly Retrieval Systems. Eng. Technol. Appl. Sci. Res. [Internet]. 2019 Feb. 16 [cited 2022 Jan. 23];9(1):3863-70. Available from: https://www.etasr.com/index.php/ETASR/article/view/2448