@article{Singh2022, author = {Singh, A. and Upadhyay, A.K. and Kumar, K. and Singh, A. and Johnson, F.A. and Padmadas, S.S.}, title= {Spatial heterogeneity in son preference across India’s 640 districts}, year = {2022}, doi = {10.4054/DemRes.2022.47.26}, volume = {47}, number = {26}, pages = {793--842}, }