Questions and Answer for ECS by Blake.
BLAKE_CH01 BLAKE_CH02 BLAKE_CH03 BLAKE_CH04 BLAKE_CH05
BLAKE_CH06 BLAKE_CH07 BLAKE_CH08 BLAKE_CH09 BLAKE_CH10
BLAKE_CH11 BLAKE_CH12 BLAKE_CH13 BLAKE_CH14 BLAKE_CH15
BLAKE_CH16 BLAKE_CH17 BLAKE_CH18 BLAKE_CH19 BLAKE_CH20 BLAKE_CH21 BLAKE_CH22 BLAKE_CH23 BLAKE_CH24 BLAKE_CH25
thank’s sir sa e book mo… God Bless You