wahyuni, Sri. “IMPROVING STUDENTS MOTIVATION IN LEARNING VOCABULARY THROUGH SELF MADE SONG AT SMP N 1 MUARA BUNGO: STUDENTS MOTIVATION IN LEARNING VOCABULARY”. Journal Of Language Education and Development (JLed), vol. 1, no. 2, July 2019, pp. 142-8, doi:10.52060/jled.v1i2.142.