@article{Maduekwe2017,
author = {Maduekwe, N.I. and Banjo, O.O. and Sangodapo, M.O.},
title= {The Nigerian civil registration and vital statistics system: Contexts, institutions, operation},
year = {2017},
doi = {10.1007/s11205-016-1448-5},
volume = {134},
number = {2},
pages = {651--674},
}