Mahayanti, N. W. S., and N. L. P. M. Suantari. “DEVELOPING BIG BOOK AS A MEDIA FOR TEACHING ENGLISH AT SIXTH GRADE STUDENTS OF ELEMENTARY SCHOOL AT SD LAB UNDIKSHA SINGARAJA”. Journal of Education Research and Evaluation, vol. 1, no. 3, Aug. 2017, pp. 128-36, doi:10.23887/jere.v1i3.9511.