TY  - BOOK
AU  - Bohl,Marilyn
AU  - Rynn,Maria
TI  - Tools for structured design: an introduction to programming logic : instructor's guide 
SN  - 0574186565 (pbk.)
PY  - 1989///
CY  - Chikago
PB  - Science Research Associates
KW  - Structured programming
N1  - Instructor's guide
ER  -