“Limitations for the Implementation of Exclusive Breastfeeding and Its Effect on the Nutritional State of Children under 1 Year”. Revista Torreón Universitario 10, no. 27 (February 4, 2021): 59–65. Accessed August 9, 2025. https://revistas.unan.edu.ni/index.php/Torreon/article/view/3134.