Rostami , Mehdi, et al. “The Effectiveness of Premarital Skills Training Model Saving Your Marriage before It Starts (SYMBIS) on Patterns and Damages of Engagement Couples”. Applied Family Therapy Journal (AFTJ) , vol. 1, no. 1, Feb. 2020, pp. 35-53, https://doi.org/10.61838/kman.aftj.1.1.3.