Retno Megawati (1), Harun Joko Prayitano (2), Fajar Riza Ul Haq (3), Oman Suryaman (4)
(1) Faculty of Teacher Training and Education, Universitas Muhammadiyah Surakarta, Indonesia ,
(2) Faculty of Teacher Training and Education, Universitas Muhammadiyah Surakarta, Indonesia ,
(3) Faculty of Social Sciences, Universitas Muhammadiyah Sukabumi; Deputy Minister of Primary and Secondary Education, Ministry of Primary and Secondary Education of the Republic of Indonesia, Indonesia ,
(4) Faculty of Teacher Training and Education, Universitas Muhamamdiyah Kuningan, Indonesia