אקולוגיה
Subtitle: מחזור החיים בטבע
Contributors: Agmon, Avivah; Dunnington, Tom
Publisher: אור עם
Published: 1977
Place of publication: תל־אביב
Language: heb
Number of pages: 72
Subjects: Ecology; Study and teaching (Elementary)
Other titles: Eḳologyah
Work titles: Ecology