A. . Arellano, E. . Calipayan, M. . Langa, J. K. . Poreno, and K. M. J. . Prudenciado, “The Efficiency of Learning Materials as Perceived by Selected Humanities and Social Sciences Teachers of Bestlink College of the Philippines: Vol.4, No.1”, AASgBCPJMRA, vol. 4, no. 1, Jun. 2024.