'Oke idemmiri na-abịa, kee nkwụcha' Dịka ọkammụta n'ihe gbasara igwe nke a na-akpọ ('Geographic Information System' -GIS) na bekee nke ụlọọrụ National Expert na bekee nke siri kọwa, bụ Anthony Okenwa ide bụ ọdachi si na chi na-eme ma oke mmiri ọzụzụ zoo n'obere oge maọbụ na mmiri tofee oke osimiri.
