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EDUCATION




RESEARCH ON CERTAIN AGE MODIFICATIONS IN MORPHOLOGY AND PHYSIOLOGICAL INDICATORS OF SPERM IN PATIENTS WITH REPRODUCTIVE PROBLEMS
Authors: Victoria Necheva, Gergana Ingilizova, Ivan Kostov

APPLICATION OF CASE STUDIES FOR THE FORMATION OF ECOLOGICAL CULTURE IN PROSPECTIVE BIOLOGY TEACHERS
Authors: Kamelia Yotovska, Victoria Necheva, Petia Genova-Kalou