Nainggolan, Tree Afriani, and Nelson Balisar Panjaitan. “A COMPARATIVE STUDY BETWEEN NURSERY RHYMES AND LETTERLAND TO ENHANCE JUNIOR HIGH SCHOOL STUDENTS’ VOCABULARY ABILITY”. 11th International Scholars Conference 4, no. 1 (October 25, 2016): 41. Accessed November 22, 2024. https://jurnal.unai.edu/index.php/isc/article/view/1857.