Danladi Nahuta, Saba’atu Elizabeth, et al. “Learning from Experience: Whys and Wherefores of the Polio Non-Compliance During Immunization-Plus-Days in Some High-Risk Wards in Bauchi Local Government Area, Nigeria”. Annals of African Medical Research, vol. 1, no. 2, Dec. 2018, doi:10.4081/aamr.2018.6.