Secondary science instruction :
Farmer, Walter A.
Secondary science instruction : an integrated approach / Walter A. Farmer, Margaret A. Farrell, Jeffrey R. Lehman. - Providence, Rhode Island : Janson Publications, 1991 - xix, 356 p. ; 23 cm.
Includes bibliogra;phical references and index.
Open access.
0939765535
Science--Study and teaching (Secondary)
Secondary science instruction : an integrated approach / Walter A. Farmer, Margaret A. Farrell, Jeffrey R. Lehman. - Providence, Rhode Island : Janson Publications, 1991 - xix, 356 p. ; 23 cm.
Includes bibliogra;phical references and index.
Open access.
0939765535
Science--Study and teaching (Secondary)