Sloane, B. C., M. D. Chamberlain, F. T. L. Leong, and P. Riggs. “FACTORS AFFECTING CONTRACEPTIVE USE AMONG COLLEGE STUDENTS”. McGill Journal of Education / Revue Des Sciences De l’éducation De McGill, vol. 26, no. 002, Apr. 1991, https://mje.mcgill.ca/article/view/7974.