https://libgen.ac/articles?q=Instant%20greco%20antico%20Roberta%20Meneghel
https://reader.italian-books.sk/read/37c5398055f7c5371ed8e459d328405cf4a52dd9086e3ca3d9eb8e65f14203ad/25995343/c82b6d/instant-greco-antico-il-corso-facile-e-veloce-per-riscoprire-una-lingua-pi%C3%B9-viva-che-mai.html?client_key=1fFLi67gBrNRP1j1iPy1&extension=epub&signature=364bd0d54682c6cd23b21da04385d743c697db0cb414ff29c760c2a2ae7bf122