. "Todorov, Marin" . . . . . . "Maruki︠a︡n, Aleksandŭr NRB i Zapada" . . . "Mitnicheski i netarifni ogranichenii︠a︡ pred bŭlgarskii︠a︡ iznos na zapadnite pazari" . . . "Todorov, Marin Bolgarii︠a" . . . "Todorov, Marin Bulgaria, techno-scientific and socio-economic development, 1986-1990" .