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Obši i regionalni tendencii na izmenenie v režima na văzproizvodstvo na naselenieto v Bălgaria (XX - XXI v.)
Trajkov, Toni - 2021
Persistent link: https://www.econbiz.de/10012545643
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Rabotno vreme, uslovija na trud, demografsko povedenie
Michova, Genoveva (contributor);  … - 2007
Persistent link: https://www.econbiz.de/10003527358
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Demografskata situacija v Bălgarija - săstojanie i tendencii
Čolakov, Nikola - In: Ikonomičeska misăl 50 (2005) 5, pp. 53-70
Persistent link: https://www.econbiz.de/10003224807
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Sǎstojanie tendencii i problemi na raždaemostta v republika Bǎlagrija
Belčeva, Marija - 2003
Persistent link: https://www.econbiz.de/10014367435
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Fertility and family policy
Koceva, Tatjana; Dimitrova, Elica; Zografova, Jolanda; … - 2019
Persistent link: https://www.econbiz.de/10012099372
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Presmjatane na koeficienti za plodovitost na ženite v Bălgarija po ednogodišni văzrasti prez 1946 - 1999 g.
Gavazki, Ivajlo - In: Naselenie : spisanie na Instituta za Izsledvane na … (2001) 1/2, pp. 3-11
Persistent link: https://www.econbiz.de/10001765255
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Reproduktivnoto povedenie v Bălgarija prez 90-te godini
Mirčev, Michail - In: Naselenie : spisanie na Instituta za Izsledvane na … (1998) 1/2, pp. 40-51
Persistent link: https://www.econbiz.de/10001515630
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Povăzrastova plodovitost na ženite v Bălgarija prez perioda 1985 - 1996 godina
Kalojanov, Todor - In: Statistika / Nacionalen Statističeski Institut 51 (1999) 1, pp. 58-72
Persistent link: https://www.econbiz.de/10001500122
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Razdaemost
Belčeva, Marija - 2003
Persistent link: https://www.econbiz.de/10001746438
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Raždaemost i reproduktivno povedenie
Belčeva, Marija - 2002
Persistent link: https://www.econbiz.de/10001710436