SHARMA, VISHAL, et al. “Effect of Organic, Bio-Fertilizer and Inorganic Sources of Nutrients on Productivity and Nutrient Status of Soil in Garden Pea Based Cropping Sequence under Lahaul Valley of Himachal Pradesh”. Journal of Soil and Water Conservation, vol. 14, no. 2, Aug. 2021, https://epubs.icar.org.in/index.php/JSWC/article/view/114503.