Boudy، Z. A. A.، و Mitias، R. (1999). THE RELATIONSHIP OF AGE, GENDER, AND ECONOMIC STATUS TO ADULT STUDENT ATTITUDES TOWARD BECOMING LITERATE IN Al-AHSSA, SAUDI ARABIA (رسالة دكتوراه غير منشورة). Ohio University، أثينس. مسترجع من http://search.mandumah.com/Record/611801
Boudy، Zaki Abd Alaziz، و Ragy Mitias. "THE RELATIONSHIP OF AGE, GENDER, AND ECONOMIC STATUS TO ADULT STUDENT ATTITUDES TOWARD BECOMING LITERATE IN Al-AHSSA, SAUDI ARABIA" رسالة دكتوراه. Ohio University، أثينس، 1999. مسترجع من http://search.mandumah.com/Record/611801