ÍÀÖÈÎÍÀËÅÍÈÍÑÒÀËÀÖÈÎÍÅÍ ÑÚÞÇ ãð. Ïëîâäèâ óë. "Èâàí Âàçîâ" 25 òåë. 032/62-59-18 ôàêñ: 032/62-59-76 e-mail: nis@dir.bg www.nisbg.org