Gehrke V, M. R. (1962). Distribution of absorbing roots of coffee (Coffea arabica L.) and rubber (Hevea brasilensis Muell. Arg.) in mixed plantings in two ecological zones of Costa Rica.
শিকাগো স্টাইলে সাইটেশনGehrke V, M. R. Distribution of Absorbing Roots of Coffee (Coffea Arabica L.) and Rubber (Hevea Brasilensis Muell. Arg.) in Mixed Plantings in Two Ecological Zones of Costa Rica. 1962.
এমএলএ সাইটেশনGehrke V, M. R. Distribution of Absorbing Roots of Coffee (Coffea Arabica L.) and Rubber (Hevea Brasilensis Muell. Arg.) in Mixed Plantings in Two Ecological Zones of Costa Rica. 1962.
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