BENTAHAR I, ALICHERIF H. 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. SSJ [Internet]. 2021Sep.30 [cited 2024Jul.22];15(2):172-88. Available from: http://journals.lagh-univ.dz/index.php/ssj/article/view/1564