Kusumaningtyas, E. M., A. R. Barakbah, and A. A. Hermawan. “Feature Extraction For Application of Heart Abnormalities Detection Through Iris Based on Mobile Devices”. EMITTER International Journal of Engineering Technology, Vol. 5, no. 2, Jan. 2018, pp. 312-27, doi:10.24003/emitter.v5i2.202.