@article{Ross2001,
author = {Ross, John and Stover, John},
title= {The family planning program effort index: 1999 cycle},
year = {2001},
doi = {10.2307/2673833},
URL = {https://doi.org/10.2307/2673833},
volume = {27},
number = {3},
pages = {119--129},
}