Kaviza, M. 2018. “Pengalaman Mengajar Atau Latihan Profesional Guru Dalam Mempengaruhi Penerapan Kemahiran Pemikiran Sejarah Dalam Mata Pelajaran Sejarah Di Sekolah Menengah: Teaching Experience or Teacher Professional Development Training in Influencing the Implementation of Historical Thinking Skills in History Subject at Secondary Schools”. EDUCATUM Journal of Social Sciences 4 (1): 40-47. https://doi.org/10.37134/ejoss.vol4.1.6.2018.