GRAIN YIELD OF MAIZE (Zea mays L.) CULTIVARS SOWN IN THE COSTA CHICA REGION, GUERRERO, MÉXICO. AP [Internet]. 2018 Aug. 1 [cited 2026 Jun. 15];9(10). Available from: https://mail.revista-agroproductividad.org/index.php/agroproductividad/article/view/823