By Ponta Domenico   Beltcheva Olga   in International Journal of Continuing Engineering Education and Life-Long Learnin

ISSN:1560-4624|9|3-4|262-274

Inderscience Publishers‎(2009)‎

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By Beltcheva Olga   Boyadzhieva Mariya   Angelova Olga   Mitev Vanio   Kaneva Radka   Atanasova Iliana   in Archives of Gynecology and Obstetrics

ISSN:0932-0067|289|4|743-748

Springer Publishing Company ‎(2014)‎

Access to resources Favorite 8.750992