Authors
Alok Dhaundiyal
Szent István University, Gödöllő, Hungary
Suraj Bhan Singh
Govind Ballabh Pant University of Agriculture and Technology, Pantnagar, India
© 2020 Alok Dhaundiyal, Suraj Bhan Singh, published by Slovak University of Agriculture in Nitra
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.