NUR Alfianti, & GUNAWAN. (2007). Qualitative effect of the implementation of learning atmoshphere management on the students involment in the english learning process in class 2E SMKN 1 Sedayu, Bantul in the school year of 2005/2006. Yogyakarta: Universitas Negeri Yogyakarta.
Chicago Style CitationNUR Alfianti, and GUNAWAN. Qualitative Effect of the Implementation of Learning Atmoshphere Management On the Students Involment in the English Learning Process in Class 2E SMKN 1 Sedayu, Bantul in the School Year of 2005/2006. Yogyakarta: Universitas Negeri Yogyakarta, 2007.
MLA CitationNUR Alfianti, and GUNAWAN. Qualitative Effect of the Implementation of Learning Atmoshphere Management On the Students Involment in the English Learning Process in Class 2E SMKN 1 Sedayu, Bantul in the School Year of 2005/2006. Yogyakarta: Universitas Negeri Yogyakarta, 2007.