Wongwat Temiyaputra, Thidarat Suebsanga, Kesinee Yajom, Sirilak Piyaworanon, & Noppol Leksawasdi. (2008). Influences of Anthraquinone Extraction Techniques from Morinda sp. on Extraction Efficiency. Agriculture and Natural Resources, 42(5), 118–126. retrieved from https://li01.tci-thaijo.org/index.php/anres/article/view/244579