TY  - JOUR 
T1  - Use of bee-attractants in increasing crop productivity in Niger (Guizotia abyssinica. L)
JO  - Brazilian Archives of Biology and Technology
A1  - Sivaram, Venkataramegowda
A1  - Jayaramappa, Koragandahalli Venkateshappa
A1  - Menon, Anita
A1  - Ceballos, Ruben Michael
SN  - 1516-8913
UL  - 10.1590/S1516-89132013000300003
VL  - 56 
Y1  - 2013
PB  - Brazil 
ER  -