"ARMENIAN RESEARCH INSTITUTE OF GENERAL HYGIENE & OCCUPATIONAL DISEASES NAMED AFTER N. B. HAKOBYAN" "ARMENIAN RESEARCH INSTITUTE NAMED AFTER N. B. HAKOBYAN"
N. B. HAKOBYANI ANVAN @NDHANUR HIGIENAYI EV MASNAGITAKAN HIVANDUTYUNNERI HAYKAKAN GITAHETAZOTAKAN INSTITUT, N. B. HAKOBYANI ANVAN INSTITUT