S. Saifullah and Andiko Putro Suryotomo, “Chicken Egg Fertility Identification using FOS and BP-Neural Networks on Image Processing ”, J. RESTI (Rekayasa Sist. Teknol. Inf.) , vol. 5, no. 5, pp. 919–926, Oct. 2021, doi: 10.29207/resti.v5i5.3431.