Susanto, Susanto (2013) RELATIONSHIP BETWEEN LEARNING MATHEMATICS AND THE ROLE OF TEACHERS IN LEARNING PROCESS OF LEARNING WITH MICROSOFT OFFICE EXCEL 2007 Prodi COMPUTER AND NETWORK ENGINEERING STUDENTS IN CLASS XI SMK Muhammadiyah 1 GREETINGS ACADEMIC YEAR 2012/2013. S1 thesis, UNIVERSITAS NEGERI YOGYAKARTA.