Ngizudin, Akhmad Rifqi (2011) APPLICATION OF GUIDED INQUIRY LEARNING METHOD TO IMPROVE STUDENT’S CONCEPT MASTERY ON BASIC DIGITAL ELECTRONICS OF THE STUDENTS GRADE X AV 1 SMK NEGERI 2 YOGYAKARTA 2010/2011 SCHOOL YEAR. S1 thesis, Universitas Negeri Yogyakarta.