Kuntawee, S., and Akarapisan, A. “Isolation and identification of Aspergillus species producing Ochratoxin A in Arabica coffee beans”. International Journal of Agricultural Technology, vol. 11, no. 5, July 2015, pp. 1235-42, https://li04.tci-thaijo.org/index.php/IJAT/article/view/6448.