Chemistry : concepts and problems /
Houk, Clifford C., 1933-
Chemistry : concepts and problems / Clifford C. Houk, Richard Post - New York : John Wiley & Sons, 1977 - 370 p. ; 26 cm. - Wiley self-teaching guides .
0471415096
76-48886
Chemistry--Programmed instruction
Chemistry : concepts and problems / Clifford C. Houk, Richard Post - New York : John Wiley & Sons, 1977 - 370 p. ; 26 cm. - Wiley self-teaching guides .
0471415096
76-48886
Chemistry--Programmed instruction
