BENTAHAR, Imad, and Houria ALICHERIF. 2021. “The Effectiveness of Extension Work in Educational Institutions in Algeria A Field Study on a Sample of School and Vocational Guidance and Counseling Counselors in the State of Mughayir”. Social Sciences Journal 15 (2). Laghouat, ALGERIA, 172-88. https://doi.org/10.34118/ssj.v15i2.1564.