Sulaiman, Sherzad A., and Zerwan L. Haje. “Nature of Legal Relations and Responsibilities That Arise From The Medical Activities in Beauty Centers: A Comparative Study”. KOYA UNIVERSITY JOURNAL OF HUMANITIES AND SOCIAL SCIENCES, vol. 1, no. 1, Aug. 2018, pp. 132-45, doi:10.14500/kujhss.v1n1y2018.pp132-145.