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B. K. B. Putra Sebelas Maret University Indonesia
Student, Departement of Science Education Sebelas Maret University
B. A. Prayitno Sebelas Maret University Indonesia
Dr., Departement of Science Education Post-Graduates Programme of Sebelas Maret University, Surakarta, Indonesia
M. Maridi Sebelas Maret University Indonesia
Professor, Departement of Biology Education of Sebelas Maret University, Surakarta, Indonesia
ISSN: 2089-4392
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