Use of fuzzy BK-products of relations in designing architectures of intelligent geographic information systems. - Ladislav J. Kohout; Basil Savitsky; Eunjin Kim; Hoang Ha (SMC, 2001)

Single-peaked preferences over multidimensional binary alternatives. - Lindsey Brown; Hoang Ha; Jonathan K. Hodge (Discret. Appl. Math., 2014)

Research on the overturning phenomenon of firefighting and rescue crawler robots when climbing up and down stairs. - Hoang Son; Vu Khac Bay; Nguyen Pham Thuc Anh; Nguyen Xuan Nguyen; Hoang Ha; Nguyen Thai Van (Int. J. Intell. Robotics Appl., 2025)