Columbia subject headings:
Harvard subject headings:
Agriculture--Abstracts
Dissertations, Academic--Egypt--Abstracts.
Jāmiʻat al-Qāhirah. Kullīyat al-Zirāʻah--Dissertations.
Princeton subject headings:
Abstracts.
Agriculture--Abstracts.
Dissertations, Academic--Eygpt--Abstracts.
Jāmiʻat al-Qāhirah. Kullīyat al-Zirāʻah--Dissertations.