RIFAI, DEDE (2015) Improving Students’ Vocabulary Mastery by Using Test – Study – Test Activity at the Eighth Grade of SMPN 1 Kibin Kabupaten Serang (CAR) Research Paper Submitted in Partial Fulfilment of the Requirement for SI Degree in English Department of Teacher Training and Education Faculty. S1 thesis, Universitas Sultan Ageng Tirtayasa.