Nuriana, Didin. 2018. “Teacher Obstacles in Providing Student Attitude Assessment in the Learning Process Based on the 2013 Curriculum: Kendala Guru Dalam Memberikan Penilaian Sikap Siswa Pada Proses Pembelajaran Berdasarkan Kurikulum 2013”. Madrosatuna: Journal of Islamic Elementary School 2 (2):51-62. https://doi.org/10.21070/madrosatuna.v2i2.1970.