Silva RA, Creste JE, Tiritan CS, Guerra WEX, Ecker AE do A. Nutritional diagnosis by Dris method of the cultivars coffee in the northern region of Paraná, Brazil. Coffee Science - ISSN 1984-3909 [Internet]. 2015May30 [cited 2025Jan.11];10(2):204 - 213. Available from: http://177.105.2.251/index.php/Coffeescience/article/view/853