Lilia P. Peregrino, M. Javillonar, Dennis G. Caballes, Chona R. Necio, and Marlon D. Belina, “The Students’ Challenges in Learning Evolution and their Level of Mastery: An Input to An Enhancement Program”, JSSMS, vol. 1, no. 2, pp. 42–47, Apr. 2022, doi: 10.56556/jssms.v1i2.83.