Toharudin, U., and I. S. Kurniawan. “Sundanese Cultural Values of Local Wisdom: Integrated to Develop a Model of Learning Biology”. International Journal of Sciences: Basic and Applied Research (IJSBAR), vol. 32, no. 1, Feb. 2017, pp. 29-49, https://gssrr.org/index.php/JournalOfBasicAndApplied/article/view/6872.