Santiago, A. M. Evolution of the National Planning Organization in the Philippines: A legislative perspective. Philippine planning journal.
Chicago-viite (17. p.)Santiago, Asteya M. "Evolution of the National Planning Organization in the Philippines: A Legislative Perspective." Philippine Planning Journal .
MLA-viite (9. p.)Santiago, Asteya M. "Evolution of the National Planning Organization in the Philippines: A Legislative Perspective." Philippine Planning Journal, .
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