http://repository.uhamka.ac.id/id/eprint/14624/
Analysis of the Reliability of the English Summative Test for the Seventh Grade Students of SMP N 233 Jakarta on the First Semester in the 2018/2019 Academic Year
Wati, Saras
http://repository.uhamka.ac.id/id/eprint/14624/1/FKIP_PBI_1401065111_SARAS%20WATI.pdf