Penerapan Cognitive-Behaviour Therapy dan Family Psychoeducation pada Klien Halusinasi, Harga Diri Rendah dan Ketidakefektifan Pemeliharaan Kesehatan Pendekatan Model Sistem Neuman = Application of Cognitive-Behavioral Therapy And Family Psycoeducation on Clients Halusination, Low Self-Esteem, And Ineffective Health Maintenance with Neuman's System Approach