Analisis praktik residensi keperawatan medikal bedah pada gangguan sistem neurologi : tumor otak dengan menggunakan pendekatan model adaptasi ROY di Rumah Sakit Umum Pusat Nasional dr. Cipto Mangunkusumo = Analysis of medical surgical nursing residency practice on neurological system disorders with tumor brain cases using ROY adaptation model approach at Cipto Mangunkusumo Hospital in Jakarta