Hong, Bui Thi, 		Loat, Bui, 		Mai, Pham, 		Quynh, Nguyen, 		Long, Nguyen, AND 		Hoang, Tran.
" X-ray Fluorescence (XRF)-based Assessment of Element in Leafy Vegetables from Phu Tho Province" <em>VNU Journal of Science: Mathematics - Physics</em> [Online], (12 October 2025)