Tayaba Zubaida, Ahsan Mehmood Shah, Muhammed Saud, Raiq Shah, and Mashal Afridi. “Patient Preference for Colored Elastic Ligatures, Undergoing Orthodontic Treatment”. Pakistan Orthodontic Journal, vol. 14, no. 1, July 2022, pp. 9-12, https://poj.org.pk/index.php/poj/article/view/319.