G. R. Jothilakshmi, D. Arun Raaza, D. Y. Sreenivasa Varma, D. V. Rajendran, and R. Guru Nirmal Raj, “A review of characteristic study of micro calcification using son mammogram images”, IJET, vol. 7, no. 2.33, pp. 290–294, Jun. 2018, doi: 10.14419/ijet.v7i2.33.14171.