Watanabe, Ken.
Problem solving 101 : a simple book for smart people / Ken Watanabe. - New York : Portfolio, 2009. - xii, 111 pages : ill. ; 22 cm.
9780091929664
BF449 . / W37 P2009
Problem solving 101 : a simple book for smart people / Ken Watanabe. - New York : Portfolio, 2009. - xii, 111 pages : ill. ; 22 cm.
9780091929664
BF449 . / W37 P2009