Dr.S KAVITHA and DUROJAIYE OLUSHOLA SAMSON 2017. A study to find out levels of leisure boredom Present in individuals with history of substance abuse. International Journal of Pharma and Bio Sciences. 8, 1 (Mar. 2017), 353–357. DOI:https://doi.org/10.22376/ijpbs.2017.8.1.b353-357.