Hari Purnomo Susanto STKIP PGRI Pacitan dan Universitasn Netegeri Yogyakarta Indonesia
Agus Maman Abadi Mathematics, Faculty of Mathematics and Natural Science, Universitas Negeri Yogyakarta, Indonesia
Haryanto Electrical Engineering, Faculty of Engineering, Universitas Negeri Yogyakarta, Indonesia
Heri Retnawati Educational Research and Evaluation, Graduated School, Universitas Negeri Yogyakarta, Indonesia
Raden Muhammad Ali English Language Education, Faculty of Teacher Training & Education, Universitas Ahmad Dahlan, Indonesia
Hasan Djidu Mathematics Education, Faculty of Teacher Training and Education, Universitas Sembilanbelas November Kolaka, Indonesia
ISSN JP3I
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