http://repository.uhamka.ac.id/id/eprint/14713/
The Relationship between the Self – Confidence and the Speaking Skill of the Eighth Grade Students of SMP Negeri 263 Jakarta in the Second Semester of the 2019/2020 Academic Year
Aulia, Pramesthi Khairunnisa
http://repository.uhamka.ac.id/id/eprint/14713/1/FKIP_PBI_1601055052_PRAMESTHI%20KHAIRUNNISA%20AULIA.pdf