PANDE R, FIRAKE DM, KARNATAK AK. Development of pollen substitutes for dearth period management of honeybee (Apis mellifera) colonies in foothills of Shivalik range of Himalayas. Indian J Agri Sci. 2011;81(9). Accessed October 27, 2025. https://epubs.icar.org.in/index.php/IJAgS/article/view/10057