TY  - RPRT
TI  - Qualitative methods in operations research on contraceptive distribution systems: a case study from Nigeria.
AU  - G Webb
AU  - O A Ladipo
AU  - R McNamara
PY  - 1991
DO  - 10.1016/0277-9536(91)90366-k
UR  - https://pubmed.ncbi.nlm.nih.gov/1925696/
ID  - 1925696
ER  -