Pratiwi, F. E., A. Mustajib, and Maizarah. “A CONTRIBUTION OF STUDENTS’ MOTIVATION AND THEIR SPEAKING ABILITY AT SECOND GRADE OF SMA NEGERI 1 TEMBILAHAN HULU”. J-Shelves of Indragiri (JSI), vol. 4, no. 2, May 2023, pp. 148-56, doi:10.61672/jsi.v4i2.2589.