Yazar
Avraham Blum
14 cilt bulundu.
Avraham Blum · Yayınevi bilinmiyor
87 sayfa · 1974
Plant hormones / Growth (Plants) / Study and teaching (Secondary) / Biology
Avraham Blum · Yayınevi bilinmiyor
Sayfa sayısı yok · 1974
Bees / Bee culture / Study and teaching / Agriculture
Avraham Blum · ha-Universiṭah ha-ʻIvrit bi-Yerushalayim
128 sayfa · 1975
Agriculture / Study and teaching (Secondary)
Avraham Blum · Mekhon Ṿolḳani, Minhal ha-meḥḳar ha-ḥaḳlaʾi, ha-Makhon le-gidule śadeh ṿe-gan
23 sayfa · 1982
Wheat / Culture
Avraham Blum, Yeshaʻyahu Yaʻaḳovson · Yayınevi bilinmiyor
39 sayfa · 1981
Environmental conditions / Education
Avraham Blum, Orli Ardon, Aleks Ṿodrovsḳi, Aharon Shevo, Yaʻaḳov Shamir · האוניברסיטה העברית בירושלים, הפקולטה למדעי החקלאות, המזון ואיכות הסביבה, פרויקט יח״ס
74 sayfa · 1997
Air / Pollution / Study and teaching (Elementary) / Ecology
Yaʻaḳov Shamir, Aharon Shevo, Orli Ardon, Aleks Ṿodrovsḳi, Avraham Blum · המרכז הישראלי לחינוך מדעי־טכנולוגי ע״ש עמוס דה־שליט
129 sayfa · 1997
Environmental protection / Study and teaching (Secondary) / Environmental quality
Avraham Blum, Israel. Miśrad ha-ḥinukh ṿeha-tarbut. Agaf le-tokhniyot limudim · Miśrad ha-ḥinukh ṿeha-tarbut, ha-Agaf le-tokhniyot limudim
76 sayfa · 1976
Education / Botany / Study and teaching
Avraham Blum, Yeshaʻyahu Ḳlipfeld, Israel. Miśrad ha-ḥinukh ṿeha-tarbut. Agaf le-tokhniyot limudim · Miśrad ha-ḥinukh ṿeha-tarbut, ha-Agaf le-tokhniyot limudim
14 sayfa · 1973
Education / Landscape gardening / Study and teaching
Avraham Blum, Binyamin Fainshṭain, Nurit Tsarefati, Lavi Tsarefati, Israel. Miśrad ha-ḥinukh ṿeha-tarbut. Merkaz le-tokhniyot limudim · מעלות
138 sayfa · 1973
Poultry / Agriculture / Study and teaching (Elementary) / Chicks
Binyamin Fainshṭain, Avraham Blum, Nurit Tsarefati, Israel. Miśrad ha-ḥinukh ṿeha-tarbut. Merkaz le-tokhniyot limudim · משרד החינוך והתרבות, המרכז לתוכניות לימודים
129 sayfa · 1978
Nutrition / Study and teaching (Secondary) / Animal nutrition / Digestion