D. Nuriana, “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, vol. 2, no. 2, pp. 51–62, Oct. 2018.