A. N. Naik, L. V. Halder, G. Prathiba, and R. Kanagavalli, “A study to assess the knowledge regarding expressed breast milk among working mothers attending outpatient departments in a selected hospital at Mangaluru, Karnataka, India”, Int J Reprod Contracept Obstet Gynecol, vol. 14, no. 10, pp. 3289–3294, Sep. 2025.