Pasqualetto, Antônio, et al. “EFFECT OF DOSES OF MINERAL AND ORGANIC FERTILIZERS IN AGRONOMIC CHARACTERISTICS OF LETTUCE (Lactuca Sativa L.)”. Pesquisa Agropecuária Tropical [Agricultural Research in the Tropics], vol. 28, no. 2, Dec. 2007, pp. 47-53, https://revistas.ufg.br/pat/article/view/2995.