T, B., W, B., & D, W. (2020). Perceived learning difficulty associates with depressive symptoms and substance use among students of higher educational institutions in North Western Ethiopia: A cross sectional study. PloS one, 15(11), e0240914. https://doi.org/10.1371/journal.pone.0240914
Chicago Style (17th ed.) CitationT, Bitew, Birhan W, and Wolie D. "Perceived Learning Difficulty Associates with Depressive Symptoms and Substance Use Among Students of Higher Educational Institutions in North Western Ethiopia: A Cross Sectional Study." PloS One 15, no. 11 (2020): e0240914. https://doi.org/10.1371/journal.pone.0240914.
MLA (9th ed.) CitationT, Bitew, et al. "Perceived Learning Difficulty Associates with Depressive Symptoms and Substance Use Among Students of Higher Educational Institutions in North Western Ethiopia: A Cross Sectional Study." PloS One, vol. 15, no. 11, 2020, p. e0240914, https://doi.org/10.1371/journal.pone.0240914.