प्रस्तावित विषय : खोज निहित
प्रस्तावित विषय : खोज निहित
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1द्वारा Gebre-Amlak, Assefa
प्रकाशित 1988Uppsala : Swedish University of Agricultural Sciences, Dept. of Plant and Forest Protection, 1988.1 v. (various pagings) : ill. ; 24 cm. -
2द्वारा Habtewold, Tibebu
प्रकाशित 1993Uppsala : Dept. of Plant and Forest Protection, Swedish University of Agricultural Sciences, 1993.1 v. (various pagings) : ill., map ; 24 cm.