Kumar, Rajinder, et al. “Microbiological Properties of Soil Influenced by Weed Control Methods in Maize-Pea Cropping System under Mid Hill Conditions of Himachal Pradesh”. Himachal Journal of Agricultural Research, vol. 42, no. 1, June 2017, pp. 1-5, https://hjar.org/index.php/hjar/article/view/117255.