Jr., Tito A. Addun, Marilyn B. Martinez, Deniz Marie G. Felix, and Marfelle Czarina H. Sayoc. “Extent of Compliance and Perception of Mothers on Childhood Immunization in Barangay Ugac Sur, Tuguegarao City, Philippines: A Descriptive Study”. International Journal of Environment, Agriculture and Biotechnology 6, no. 3 (June 28, 2021). Accessed July 3, 2024. https://journal-repository.com/index.php/ijeab/article/view/3798.