Awal, G. K., and U. Tehlan. “Mapping the Research Landscape of Recommender Systems for Digital Libraries: A Bibliometric Analysis of Two Decades (2004-2023)”. Record and Library Journal, vol. 10, no. 1, June 2024, pp. 180-94, doi:10.20473/rlj.V10-I1.2024.180-194.