Moskva po pŭti︠a︡ na preustroĭstvotoPetko Mangachev, Ivan Zakhariev · First published 1988Open the Tome
Kachestvoto v t︠s︡entŭra na ideĭnovŭzpitatelnata rabotaIvan Zakhariev · First published 1983Open the Tome
Roli︠a︡ta na nastavnichestvoto za izdigane avtoriteta na profesiite ot tŭrgovii︠a︡ta i uslugiteIvan Zakhariev, Petŭr Petrov · First published 1982Open the Tome
Roli︠a︡ta na nastavnichestvoto i nastavnicheskoto dvizhenie za povishavane na efektivnostta ot truda i kulturata na obsluzhvane v tŭrgovii︠a︡ta i uslugiteIvan Zakhariev · First published 1981Open the Tome
Evropeiskata sigurnost i sutrudnichestvo ot Khelzinki do MadridIvan Zakhariev · First published 1980Open the Tome
Spetsializatsiia na ikonomicheskite raǐoni i okrǔzite v NR Bǔlgariia v otraslite na promishlenosttaIvan Zakhariev · First published 1974Open the Tome
Naselenie i trudovi resursi v teritorialnite edinitsi na NR BulgariiaIvan Aleksiev Zakhariev · First published 1973Open the Tome
Voprosy metodologii regionalʹnykh issledovaniiN. A. Utenkov, Ivan Zakhariev, Akademii︠a︡ nauk SSSR. Sovet po mezhdunarodnym nauchnym svi︠a︡zi︠a︡m v oblasti regionalʹnykh issledovaniĭ, Russian S.F.S.R. Sovet po izucheniiu proizvoditelʹnykh sil, Soveshchanie predstavitelei nauchnykh uchrezhdenii Evropeiskikh sotsialisticheskikh stran po voprosam metodologii regionalʹnykh issledovanii (1971 Moscow) · First published 1972Open the Tome
