Deleḳ u-meḳorot koaḥ
By: ʻibud ʻIvri ṿa-ʻarikhah madaʻit, Tseṿet Maṭal be-rashut Daṿid Ḥen
Series: Madaʻ ṿe-ṭevaʻ li-yeladim -- 11
Publisher: Yavneh
Published: 1978
Place of publication: Tel Aviv
Language: heb
Number of pages: 30
Subjects: Power resources; Juvenile literature
Notes: Rev. translation.

Includes index.