Rungtip Jutamongkon, and Sanguansri Charoenrein. 2010. “Effect of Temperature on the Stability of Fruit Bromelain from Smooth Cayenne Pineapple”. Agriculture and Natural Resources 44 (5). Bangkok, Thailand:943-48. https://li01.tci-thaijo.org/index.php/anres/article/view/245008.