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Work psychology in Europe
Gliszczyńska, Xymena (contributor);  … - 1980
Persistent link: https://www.econbiz.de/10000328008
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Metodichesko rŭkovodstvo za usŭvŭrshenstvuvane organizat︠s︡ii︠a︡ta na truda
Petrova, Nina Sergeevna (contributor) - 1979
Persistent link: https://www.econbiz.de/10000629506
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Intenzivnost na truda pri socializma : sozialno-ikonomičeski problemi
Aleksiev, Aleksi At. - 1980
Persistent link: https://www.econbiz.de/10001821780
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Iniciativa i otgovornost
Dilkov, Sofronij - 1983
Persistent link: https://www.econbiz.de/10002085258
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Ličnost i tvorčeska dejnost
Andonov, Aleksandǔr - 1980
Persistent link: https://www.econbiz.de/10001829720
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Kompleksno usǔvǔršenstvuvane na socialističeskata organizacija na truda v predprijatieto
Petrova, Nina Sergeevna; Samuilov, Samuil Nisim - 1980
Persistent link: https://www.econbiz.de/10002632112
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Sǔrevnovanie i vutrešno-stopanska smetka
Spasov, Vasil - 1981
Persistent link: https://www.econbiz.de/10002845097
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Nauka proizvodstvo potreblenie : sŭzdavane i realizacija na naučno-techničeskite novovŭvedenija
Georgiev, Ilija - 1981
Persistent link: https://www.econbiz.de/10002231555
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Organizacija i rǔkovodstvo na socialističeskoto sǔrevnovanie : nagledni materiali po socialističeskoto sǔrevnovanie
Ličev, Ličo; Kosev, Iskro - 1980
Persistent link: https://www.econbiz.de/10002386734
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V pomošt na propagandista po socialističeskoto sǔrevnovanie : sbormik testove, vǔprosi, zadači, kazusi
Ličev, Ličo - 1980
Persistent link: https://www.econbiz.de/10002386808