两本书和一些资料 $ L7 ?1 o" T4 o; u. u6 c9 |. gCanadian Professional Engineering and Geo-science: Practice and Ethics/ w m: R2 }% x' f1 Y
Practical Low of Architecture, Engineering and Geo-science./ {; l0 S/ D# V. x5 N
: s8 s$ T6 u, ^$ Z
text message: 780-432-3952