Doroudian, A. A., Azadfada, S., & Moosavinasab, M. "Assessing the Safety of Children's Playgrounds from the Parents' Point of View: A Case of the Third District of Tehran", Journal of Pediatric Perspectives, 10, 6, 2022, 16223-16232. doi: 10.22038/ijp.2022.64360.4884