Tg Abdul Rahman, T. A. F., K. Idris, N. A. Abd Aziz, and N. Q. Shariman. “Research on Ziziphus Mauritiana: Bibliometric Studies”. Sains Insani, vol. 5, no. 1, May 2020, pp. 148-56, doi:10.33102/sainsinsani.vol5no1.145.