Laboratory explorations in biology  [kit] 

 - New York :  Science and Mankind,  [n.d.] 
 - 160 slides, 2 sound cassettes, 1 teacher's guide with scripts ;  in container, 32 X 32 X 8 cm. 
 - Laboratory explorations in biology [kit] ;  part 1- 2 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ecology--Methodology<br/>Ecology--Technique