Balauag, M. P. (1979). The influence of the extension program of the agricultural educational institutions on tobacco farming in Cagayan Valley.
芝加哥风格引文Balauag, Mariano Pelagio. The Influence of the Extension Program of the Agricultural Educational Institutions on Tobacco Farming in Cagayan Valley. 1979.
MLA引文Balauag, Mariano Pelagio. The Influence of the Extension Program of the Agricultural Educational Institutions on Tobacco Farming in Cagayan Valley. 1979.
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