Karolina, N., Pharmawati, M., & Setyawati, I. (2019). Prevalence and gene frequency of colour blindness among students of elementary schools in Badung Regency, Bali, Indonesia. Jurnal Biologi Udayana, 23(2), 42-49. doi:10.24843/JBIOUNUD.2019.v23.i02.p01