Case Study of Difficulty Index and Discrimination Index Item of Year 5 English Language Summative Test (Comprehension)/ Kajian Kes Indeks Kesukaran Dan Diskriminasi Item Ujian Sumatif Bahasa Inggeris (Pemahaman) Tahun 5. Sains Humanika, v. 12, n. 2-2, 26 Aug.2020.