http://repository.uhamka.ac.id/id/eprint/14619/
The Content Validity of the English Summative Test for the First Semester of Eighth Grade Students at SMPN 6 Tangerang in 2019/2020 Academic Year
Legowo, Nur Annisa
http://repository.uhamka.ac.id/id/eprint/14619/1/FKIP_PBI_1301065124_NUR%20ANNISA%20LEGOWO.pdf