Title: Nifgashim ba-sevivah : sidrat peʻiluyot haʻasharah be-nośʾe ekhut ha-sevivah : madrikh la-moreh /
Authors: Blum, Hadas.
Publisher: Ekhut u-sevivah,
Year: 1992
Subjects: Ecology Study and teaching Israel.; Environmental protection Study and teaching Israel.