Pengaruh Penerapan Teknik Rileksasi terhadap Peningkatan Kemampuan Konsentrasi Siswa
The purpose of this study was to determine and to analyze the effect of the implementation of Jacobsen's progressive relaxation techniques and Schulte software concentration training on improving students' concentration ability. The method used was experimental method by using the pre-post...
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| Format: | Book |
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Universitas Pendidikan Indonesia,
2018-09-01T00:00:00Z.
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