Quang, Ngo, 		Anh, Nguyen, 		Thu, Quach, 		Van, Tran, 		Cuong, Dang, 		Tam, Nguyen, AND 		Thuy, Thanh.
" Optimization of Ultrasound-assisted Extraction of Ulvan from Green Seaweed Ulva lactuca" <em>VNU Journal of Science: Natural Sciences and Technology</em> [Online], Volume 38 Number 3 (30 August 2022)