Phan Van Man, Dang Thi Cuong, Pham Thi Huu Hanh, and Tran Chi Hai, “EFFECTS OF ULTRASOUND-ASSISTED EXTRACTION CONDITIONS ON THE RECOVERY OF TRITERPENOIDS AND ANTIOXIDANT ACTIVITY OF Curculigo orchioides Gaertn RHIZOMES”, HUIT_OJS, vol. 23, no. 2, Jun. 2023.