Singh, A.K., Sanjay Singh, and V.V. Appa Rao. 2012. “Influence of Organic and Inorganic Nutrient Sources on Soil Properties and Quality of Aonla in Hot Semi-Arid Ecosystem”. Indian Journal of Horticulture 69 (01):50-54. https://journal.iahs.org.in/index.php/ijh/article/view/1696.