Gaya APA

Siregar, R. (). A Comparative study of teaching simple present tense through pictures and without pictures to the sixth grade students of SD BPK Penabur Bogor . : .

Gaya MLA

Siregar, Rosalina. "A Comparative study of teaching simple present tense through pictures and without pictures to the sixth grade students of SD BPK Penabur Bogor". : , . .