The technical challenges in OOP application across the European Union and the TOOP OOP architectureTepandi, Jaak; Rotuna, Carmen; Sellitto, Giovanni Paolo; Fieten, Sander; Prentza, AndrianaThe once-only principle : The TOOP project2021 / p. 141−163 https://doi.org/10.1007/978-3-030-79851-2_8 Collection metrics at Scopus Article at Scopus Collection metrics at WOS Article at WOS

TOOP trust architectureBoldrin, Luca; Sellitto, Giovanni Paolo; Tepandi, JaakThe once-only principle : The TOOP project2021 / p. 126–140 https://doi.org/10.1007/978-3-030-79851-2_7 Article collection metrics at Scopus Article at Scopus Article collection metrics at WOS Article at WOS