“A STUDY ON THE RETURN VOLATILITY OF THE COFFEE BEANS PRICE USING ARCH MODELS”. Colloquium Exactarum. ISSN: 2178-8332 11, no. 2 (julho 31, 2019): 101–110. Acessado novembro 5, 2024. https://journal.unoeste.br/index.php/ce/article/view/2707.