World TRIZ Sites Project (WTSP) (2): To Build Catalogs of TRIZ-Related Web Sites in the World. - Toru Nakagawa; Darrell Mann; Michael Orloff; Simon Dewulf; Simon Litvin; Valeri Souchkov (TFC, 2019)

WTSP Report (5) Catalogs of TRIZ and Around-TRIZ Sites in the World: We Can Learn Full Scope of TRIZ-Related Works in the World. - Toru Nakagawa; Darrell Mann; Michael Orloff; Simon Dewulf; Simon Litvin; Valeri Souchkov (TFC, 2022)

WTSP Report (6) Catalogs of TRIZ and Around-TRIZ Sites in the World (Preparing for Gamma Edition). - Toru Nakagawa; Darrell Mann; Michael Orloff; Simon Dewulf; Simon Litvin; Valeri Souchkov (TFC, 2023)