Mepụta ụdị nkebi ahịrịokwu a dị mgbagwoju anya E webatara ya na England na 1991 Ngalaba Ahụike (1990).
N'ezie, nsụgharị dị mgbagwoju anya nke ahịrịokwu ahụ bụ "E webatara ya n'England na 1991 DEPARTMENT OF HEALTH (1990) Care Programme Approach Circular HC (90 ) 23/LASSL (90 ) 11. "