VAILAYA, C. G. R.; VAILAYA, C. R. S. Study of number of children preferred and knowledge, attitude, practice regarding birth spacing and contraception among primigravida in urban setting. International Journal of Contemporary Pediatrics, [S. l.], v. 7, n. 4, p. 757–763, 2020. DOI: 10.18203/2349-3291.ijcp20201003. Disponível em: https://www.ijpediatrics.com/index.php/ijcp/article/view/3263. Acesso em: 6 jan. 2026.