Adami, Marcos, Mauricio Alves Moreira, Bernardo Friedrich Theodor Rudorff, Corina da Costa Freitas, Rogério Teixeira de Faria, and Flavio Deppe. “Sampling Frame for Crop Area Estimation”. Pesquisa Agropecuaria Brasileira 42, no. 1 (January 1, 2007): 81–88. Accessed November 23, 2025. https://apct.sede.embrapa.br/pab/article/view/7538.