Silva, Maria Ligia Souza, Marisa de Cássia Piccolo, e Anderson Ricardo Trevizam. 2013. “Gypsum As a Source of Sulfur for Strawberry Crops”. Semina: Ciências Agrárias 34 (4):1683-94. https://doi.org/10.5433/1679-0359.2013v34n4p1683.