Thu, Dang, Hung, Vu, Trang, Nguyen, AND Thanh Tung, Bui. " Study on α-glucosidase enzyme inhibitory activity and DPPH free radical scavenging of green coffee bean extract (Coffea canephora)" VNU Journal of Science: Medical and Pharmaceutical Sciences [Online], Volume 35 Number 2 (16 December 2019)