Raykova, Z. Development Procedural Skills in Science Education - Constructivist Approach. Plovdiv: Plovdiv University Press, 2008 136 p. 978-954-423-483-6.
Raykova, Z. Development Procedural Skills in Science Education - Constructivist Approach. Plovdiv: Plovdiv University Press, 2008 136 p. 978-954-423-483-6.
Raykova, Z. (2008) Development Procedural Skills in Science Education - Constructivist Approach, Plovdiv: Plovdiv University Press 136 p. 978-954-423-483-6.
Raykova, Z. (2008). Development Procedural Skills in Science Education - Constructivist Approach. Plovdiv: Plovdiv University Press, 136 p.
Raykova Z. Development Procedural Skills in Science Education - Constructivist Approach. Plovdiv: Plovdiv University Press; 2008. p. 136 p. ISBN: 978-954-423-483-6.
