Who, what, and when.
By: Illus. by Sharon Elzaurdia.
Contributors: Elzaurdia, Sharon
Series: Her Stepping into science
Publisher: Childrens Press
Published: 1971
Place of publication: Chicago
Language: eng
Number of pages: 48
Subjects: Science -- Methodology -- Juvenile literature.; Science -- Methodology.
Description: Five simple problems illustrate the importance of inference in the scientific process.