Javed, R., & Mughal, M. (2020). Preference for boys and length of birth intervals in Pakistan. Research in economics, 74(2), 140-152. https://doi.org/10.1016/j.rie.2020.04.001
Citácia podle Chicago (17th ed.)Javed, Rashid, a Mazhar Mughal. "Preference for Boys and Length of Birth Intervals in Pakistan." Research in Economics 74, no. 2 (2020): 140-152. https://doi.org/10.1016/j.rie.2020.04.001.
Citácia podľa MLA (8th ed.)Javed, Rashid, a Mazhar Mughal. "Preference for Boys and Length of Birth Intervals in Pakistan." Research in Economics, vol. 74, no. 2, 2020, pp. 140-152, https://doi.org/10.1016/j.rie.2020.04.001.
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