Adiputri, Tiara Pertiwi (2015) The use of graphonics methods to facilitate students’ ability in pronouncing long & short vowels : a classroom action research with 4th graders of MI Al-Khoiriyyah 1 Semarang in the academic year of 2014/2015. Undergraduate (S1) thesis, Universitas Islam Negeri Walisongo Semarang.