HUBUNGAN PERAN PETUGAS, KENYAMANAN KB DAN DUKUNGAN SUAMI DENGAN PERGANTIAN DINI METODE KB. (STUDI PADA AKSEPTOR KB GANTI CARA DI PUSKESMAS SALAMAN I KEC. SALAMAN, KAB. MAGELANG 2007) THE RELATIONSHIP BETWEEN THE OFFICER ROLE, FAMILY PLANNING CONVENIENCE AND THE HUSBAND SUPPORT ON THE EARLY ALTERATION OF THE FAMILY PLANNING METHODE (Study on the active methode-altered family planning in Salaman Public Health Center of Magelang Regency Year 2007) - WURJAYANTO, EKO BERBUDI (2007)