| عنوان البحث | ملخص البحث |
| Ecological study on royal jelly production with special reference to honey bee strains in Egypt | |
| Study on royal jelly production by honey bee Apis mellifera L.colonies 1-Effect of some technological factors | |
| study on royal jelly production by honey bee Apis mellifera L.colonies 11-Effect of some biological factors | |
| CONTROLLING VARROA MITES USING NATURAL OIL EXTRACTS | |
