Purwiyanti, R. E., Soemanto, R. and Dewi, Y. L. R. (2017) “Factors Affecting the Occurrence of Mental Disability in Ponorogo District, East Java”, Journal of Maternal and Child Health, 2(3), pp. 257–269. Available at: http://thejmch.com/index.php/thejmch/article/view/62 (Accessed: 27 April 2024).