OSPF Stub Router Advertisement. - Alvaro Retana; Liem Nguyen; Russ White; Alex Zinin; Danny McPherson (RFC, 2001)

OSPF Out-of-Band Link State Database (LSDB) Resynchronization. - Liem Nguyen; Abhay Roy; Alex Zinin (RFC, 2007)

OSPF Restart Signaling. - Liem Nguyen; Abhay Roy; Alex Zinin (RFC, 2007)

Multi-Topology (MT) Routing in OSPF. - Peter Psenak; Sina Mirtorabi; Abhay Roy; Liem Nguyen; Padma Pillay-Esnault (RFC, 2007)

OSPF Link-Local Signaling. - Alex Zinin; Abhay Roy; Liem Nguyen; Barry Friedman; Derek M. Yeung (RFC, 2009)

Formal Modelling of Smart Grids: Configurability vs. Conventionality. - Thang Bui; Tuan Bui; Tuyen Nguyen; Anh Nguyen; Liem Nguyen; Huan Luong (ICCAIS, 2022)