R. PANDE, D. M. FIRAKE, and A. K. KARNATAK, “Development of pollen substitutes for dearth period management of honeybee (Apis mellifera) colonies in foothills of Shivalik range of Himalayas”, Indian J Agri Sci, vol. 81, no. 9, Sep. 2011, doi: 10.56093/ijas.v81i9.10057.