(1980). Compilation of graduate thesis, 1966-1969. Planning Service Research and Statistics Division National Science Development Board.
Chicago-viite (17. p.)Compilation of Graduate Thesis, 1966-1969. Bicutan, Taguig, Metro Manila: Planning Service Research and Statistics Division National Science Development Board, 1980.
MLA-viite (9. p.)Compilation of Graduate Thesis, 1966-1969. Planning Service Research and Statistics Division National Science Development Board, 1980.
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