Samiha Muqbil Abdullah Alharbi, and Yahya Mubark Suleiman Khatatbeh. “The Effectiveness of a Counseling Program Based on Acceptance and Commitment in Reducing the Existential Vacuum Among Widows in Riyadh”. Migration Letters, vol. 20, no. S6, Sept. 2023, pp. 898-0, doi:10.59670/ml.v20iS6.4350.