A Study to develop and evaluate the Effectiveness of an InformationBooklet in terms of the Knowledge and Attitude of the parents regarding Management of Mentally Challenged Children aged 3-12 years in Selected Centres /Schools of Delhi. IJFANS [Internet]. 2022 Jan. 1 [cited 2026 Jul. 17];11(1):1905-11. Available from: https://www.ijfans.org/index.php/Journal/article/view/4889