Nicole O. Sia, Mico H. Amor, Kyle Czarine R. Lin, Pier Ara Angelica G. Nuesa, Sabina F. Syleungyum, Chloe Chelsea S. Tan and Gamaliel Issamar S. De Vera 2021. Parent’s Knowledge, Attitude, and Practices towards Polio Vaccination in Quezon City, Philippines. International Journal of Progressive Research in Science and Engineering . 2, 8 (Sep. 2021), 701–714.