http://general-terms.thesaurus.ekt.gr/vocabhttp://general-terms.thesaurus.ekt.gr/vocab?tema=9021interfacing and communication http://general-terms.thesaurus.ekt.gr/vocab?tema=9021 videotext NT http://general-terms.thesaurus.ekt.gr/vocab?tema=9021 communication network architecture NT http://general-terms.thesaurus.ekt.gr/vocab?tema=9021 wide-area networks NT http://general-terms.thesaurus.ekt.gr/vocab?tema=9021 data transmission NT http://general-terms.thesaurus.ekt.gr/vocab?tema=9021 computer science BT