Freitas, Denise Ribeiro de, Antônio Cordeiro de Santana, Ismael Matos da Silva, Wilnália Souza Garcia, Almir Vieira Silva, Paulo Campos Christo Fernandes, and Siglea Sanna de Freitas Chaves. 2015. “Trend, Cycles and Seasonal in Prices of Powdered Milk and UHT Milk in the Retail Market of the State of Pará”. Pubvet 4 (07). https://ojs.pubvet.com.br/index.php/revista/article/view/2647.