Kumari, Priyanka and Gupta, N. C and Kaur, Amarjeet and Singh, Khem (2019) Application of Principal Component Analysis and Correlation for Assessing Groundwater Contamination in and around Municipal Solid Waste Landfill of Ghazipur, Delhi. Journal of the Geological Society of India , 94 (6). 595-604. ISSN 0016-7622

Kumari, Priyanka and Gupta, N. C. and Kaur, Amarjeet and Singh, Khem (2019) Application of Principal Component Analysis and Correlation for Assessing Groundwater Contamination in and around Municipal Solid Waste Landfill of Ghazipur, Delhi. Journal of the Geological Society of India , 94 (6). pp. 595-604. ISSN 0016-7622

Kumar, Ritesh and Sharma, Sadanand and Singh, Khem (2017) Composition and morphology study of acid-digested pond ash. Current Science, 112 (10). pp. 2089-2095. ISSN 0011-3891

Li, Jianjun and Wang, Gehui and Aggarwal, Shankar G. and Huang, Yao and Ren, Yanqin and Zhou, Bianhong and Singh, Khem and Gupta, Prabhat K. and Cao, Junji and Zhang, Rong (2014) Comparison of abundances, compositions and sources of elements, inorganic ions and organic compounds in atmospheric aerosols from Xi'an and New Delhi, two megacities in China and India. Science of the Total Environment, 476. pp. 485-495. ISSN 0048-9697

Singh, Khem and Tiwari, S. and Jha, A. K. and Aggarwal, Shankar G. and Bisht, D. S. and Murty, B. P. and Khan, Zahid H. and Gupta, Prabhat K. (2013) Mass-size distribution of PM10 and its characterization of ionic species in fine (PM2.5) and coarse (PM10-2.5) mode, New Delhi, India. Natural Hazards, 68 (2). pp. 775-789. ISSN 0921-030X

Singh, Nahar and Singh, Niranjan and Tripathy, S. Swarupa and Soni,, Daya and Singh, Khem and Gupta, Prabhat K. (2013) Evaluation of purity with its uncertainty value in high purity lead stick by conventional and electro-gravimetric methods. Chemistry Central Journal , 7 (108). 108-117. ISSN 1752-153X

Singh, Khem and Singh, D. P. and Dixit, C. K. and Singh, Nahar and Sharma, C. and Sahai, S. and Jha, Arvind K. and Khan, Z. H and Gupta, Prabhat K. (2012) Chemical characteristics of aerosols and trace gas distribution over North and Central India. Environmental Monitoring and Assessment, 184 (7). pp. 4553-4564. ISSN 0167-6369

Awasthi, Amit and Agarwal, Ravinder and Mittal, Susheel K. and Singh, Nirankar and Singh, Khem and Gupta, Prabhat K. (2011) Study of size and mass distribution of particulate matter due to crop residue burning with seasonal variation in rural area of Punjab, India. Journal of Environmental Monitoring, 13 (4). pp. 1073-1081. ISSN 1464-0325

Singh, D. P. and Gadi, Ranu and Mandal, T. K. and Dixit, C. K. and Singh, Khem and Saud, T. and Singh, Nahar and Gupta, Prabhat K. (2009) Study of temporal variation in ambient air quality during Diwali festival in India. Environmental Monitoring and Assessment , 169 (1-4). pp. 1-13. ISSN 1573-2959

Miyazaki, Yuzo and Aggarwal, Shankar G. and Singh, Khem and Gupta, Prabhat K. and Kawamura, Kimitaka (2009) Dicarboxylic acids and water-soluble organic carbon in aerosols in New Delhi, India, in winter: Characteristics and formation processes. Journal of Geophysical Research Atmospheres, 114. D19206-1-D19206-12. ISSN 0148-0227