Science directions 7
By: program consultant, Douglas A. Roberts ; author team, Wilson C. Durward ... [et al.] ; contributing author, Jean Bullard.
Contributors: Bullard, Jean, 1938-; Durward, Wilson C., 1944-; Roberts, Douglas A., 1936-
Publisher: J. Wiley & Sons; Arnold
Published: 1989
Place of publication: Toronto; Edmonton
Language: eng
Number of pages: 381
Subjects: Science -- Juvenile literature.; Science -- Problems, exercises, etc. -- Juvenile literature.