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  1. 1

    Recommended varieties of cowpea and sitao and their culture per Aycardo, Hipolito B.

    Publicat 1990
    Llibre

    Recommended varieties of cowpea and sitao and their culture
  2. 2

    A farmer's primer on growing cowpea on riceland per Pandey, R. K.

    Publicat 1987
    Llibre

    A farmer's primer on growing cowpea on riceland

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