APA-čujuhus (7. p.)
Boytchev, P. (2007). Design and Implementation of a Logo-based Computer Graphics Course. Informatics in Education.
Chicago-čujuhus (17. p.)
Boytchev, Pavel. "Design and Implementation of a Logo-based Computer Graphics Course." Informatics in Education 2007.
MLA-čujuhus (9. p.)
Boytchev, Pavel. "Design and Implementation of a Logo-based Computer Graphics Course." Informatics in Education, 2007.
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