Title: Ekhut ha-aṿir : ḥomer reḳaʻ la-moreh ... /
Authors: Mimran, ʻEdnah.; Jerusalem.; Jerusalem.
Publisher: ʻIriyat Yerushalayim, Agaf le-shipur pene ha-ʻIr, Maḥlaḳah le-ekhut ha-sevivah : Minhalah le-hinukh, Yerushalayim,
Subjects: Air Pollution Study and teaching (Elementary); Pollution Study and teaching (Elementary); Education Jerusalem.