Ng’eno , Lily Chepketer. “Relationship of Knowledge, Attitude and Practices of Parents /Guardians to Pneumococcal Conjugate Vaccine Uptake Among Children Attending Immunization Services”. Journal of Medicine, Nursing & Public Health 5, no. 3 (November 7, 2022): 59–73. Accessed July 21, 2025. https://stratfordjournalpublishers.org/journals/index.php/Journal-of-Medicine-Nursing-P/article/view/1344.