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Summary of the Fourth Development Plan : 1405-1410 A.H. 1985-1990 A.D. : Kingdom of Saudi Arabia, Ministry of Planning
(1985)
The third development plan of Saudi Arabia, 1400-1405 A. H./1980-1985 A. D.
Mallakh, Ragaei El, (1982)
Second Development Plan : 1395-1400 (A. H.)
(1976)