VAN TIEN, Nguyen; TRONG NGHIA, Nguyen; THI HA LIEN, Nghiem; DUONG, Vu; QUANG HOA, Do; CHI DUNG, Duong; NGUYEN NHUE, Phan; MINH HUE , Nguyen. Improvement of SERS signal measured by portable Raman instrument using random sampling technique. <b>Vietnam Journal of Science and Technology</b>, Hanoi, VN, v. 60, n. 2, p. 237–244, 2022. DOI: 10.15625/2525-2518/16384. Disponível em: https://vjs.ac.vn/jst/article/view/16384. Acesso em: 10 jan. 2026.