Projections and weak maps in combinatorial geometries. - Hien Q. Nguyen (Discret. Math., 1978)

n-Alternation deficiency of geometric rank-functions. - Hien Q. Nguyen (Discret. Math., 1978)

Constructing the free erection of a geometry. - Hien Q. Nguyen (J. Comb. Theory B, 1979)

Towards a Medical Waste Classification System Based on Blockchain, Smart Contracts, and NFT Technologies. - Hien Q. Nguyen; Nguyen D. P. Trong; Hoang Huong Luong; Khoa Tran Dang; Khiem Huynh Gia; Phuc Nguyen Trong; Hieu Le Van; Loc Van Cao Phu; Duy Nguyen Truong Quoc; Nguyen H. Tran; The Anh Nguyen; Huynh T. Nghia; et al. (ICOST, 2023)