A. Abbas, D. S. Guriro, M. Azeem, M. Abbas, S. Mahmood, and M. Imran, “A Socioeconomic Characteristics and Health Problems of Trash Picking Children in Karachi”, ASRJETS-Journal, vol. 43, no. 1, pp. 143–158, May 2018, Accessed: Sep. 18, 2025. [Online]. Available: https://www.asrjetsjournal.org/American_Scientific_Journal/article/view/4046