Salim, N., A. Abu, B. F. A. Bakar, N. Othman, and S. F. Anis. “GLOBAL RESEARCH TRENDS ON OIL PALM WASTE-BASED AS SOUND ABSORPTION MATERIAL: A BIBLIOMETRIC ANALYSIS”. INTERNATIONAL JOURNAL OF INNOVATION AND INDUSTRIAL REVOLUTION (IJIREV), vol. 8, no. 25, June 2026, pp. 514-29, doi:10.35631/IJIREV.825030.