E-commerce application study and complementary services in the sector of laboratory diagnostics based on consumers' opinion. - Alexios-Patapios Kontis; Konstantinos Siassiakos; Georgios Kaimakamis; Athina Lazakidou (Int. J. Electron. Heal., 2010)

Metaverse for tourists and tourism destinations. - Stelios Ioannidis; Alexios-Patapios Kontis (J. Inf. Technol. Tour., 2023)