N. Hamzah, N. A. Akbar, N. S. Mohd Zin, S. Alias, L. W. Mohamad Zailani, and N. F. Haron, “BIBLIOMETRIC ANALYSIS ON RESEARCH TRENDS IN LANDFILL LEACHATE TREATMENT TECHNOLOGIES”, IJIREV, vol. 7, no. 23, pp. 417–432, Dec. 2025.