Items where Author is "Siregar, Hasratudin"

Risdianto, Heri and Karnasih, Ida and Siregar, Hasratudin (2013) THE DIFFRENCE OF ENHANCEMENT MATHEMATICAL PROBLEM SOLVING ABILITY AND SELF-EFFICIENCY SMA WITH MA STUDENTS IPS PROGRAM THROUGH GUIDED INQUIRY LEARNING MODEL ASSISTED AUTOGRAPH SOFTWARE IN LANGSA. Jurnal Paradikma, 6 (1). pp. 89-108.