Abdalla, I. S. E. (1960). The main pivots of the process of socio-economic development in the Arab World during coming decades 1980 to 2000. Arab Planning Institute.
শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিAbdalla, Ibrahim S. E. The Main Pivots of the Process of Socio-economic Development in the Arab World During Coming Decades 1980 to 2000. Kuwait: Arab Planning Institute, 1960.
M.L.A (9 ম সংস্করণ) উদ্ধৃতিAbdalla, Ibrahim S. E. The Main Pivots of the Process of Socio-economic Development in the Arab World During Coming Decades 1980 to 2000. Arab Planning Institute, 1960.
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