Koshiyama, Adriano Soares, Maria Cristina Affonso Lorenzon, and Wagner de Souza Tassinari. 2011. “Spatial Econometrics Applied to Study the Influencing Factors of Honey Prices in Brazil”. Brazilian Journal of Operations & Production Management 8 (1):121-32. https://bjopm.org.br/bjopm/article/view/V8N1A8.