Reta, F. and Satrijono, , H. 2017. Madurese-Indonesian Code-Mixing in the Fifth Grade Students’ Essays at Elementary School in Jember, Indonesia. International Journal of Social Sciences and Humanities Invention. 4, 10 (Oct. 2017), 4061–4065. DOI:https://doi.org/10.18535/ijsshi/v4i10.08.