by Singh, Ajeet Pratap, Singh, O.P.
Published in Solar energy (01.11.2018)

by Singh, A.K., Hasker, E., Singh, O.P., Sundar, S.
Published in International journal of infectious diseases (01.05.2023)

by Singh, Ajeet Pratap, Kumar, Amit, Akshayveer, Singh, O.P.
Published in Building and environment (01.01.2021)

by Gour, K.S., Yadav, A.K., Singh, O.P., Singh, V.N.
Published in Vacuum (01.08.2018)

by Singh, O.P., Cloots, K., Rai, T.K., Tiwari, V.D., Singh, A.K., Hasker, E., Sundar, S.
Published in International journal of infectious diseases (01.05.2023)

by Singh, O.P., Chaubey, R., Kushwaha, A.K., Fay, M., Sacks, D., Sundar, S.
Published in International journal of infectious diseases (01.05.2023)

by Singh, O.P, Sundar, S
Published in International journal of infectious diseases (01.04.2016)

by Kumar, M. Dinesh, Scott, Christopher A, Singh, O.P
Published in International journal of water resources development (01.12.2013)

by Sharma, Anil, Dhayal, Devender, Singh, O.P., Adak, T., Bhatnagar, Raj K.
Published in Acta tropica (01.10.2013)

by Girhepunje, K.S., Gupta, Varsha, Srivastava, V.K., Pandey, A.K., Prasad, Rajendra, Singh, O.P.
Published in Journal of ayurveda and integrative medicine (01.04.2022)

by Singh, O.P., Sreenivasulu, T., Kannan, M.
Published in Applied acoustics (2014)

by Shah, Tushaar, Ul Hassan, Mehmood, Khattak, Muhammad Zubair, Banerjee, Parth Sarthi, Singh, O.P., Rehman, Saeed Ur
Published in World development (01.02.2009)

by Singh, A.K, Singh, O.P, Boelaert, M, Ostyn, B, Rai, M, Sundar, S
Published in International journal of infectious diseases (01.04.2016)

by Gupta, Arpan, Singh, O.P
Published in International journal of biomedical and clinical engineering (01.01.2016)

by Agarwal, Sugandha, Singh, O.P, Nagaria, Deepak
Published in International journal of information communication technologies and human development (01.04.2017)

by Agarwal, Punit Kumar, Singh, O.P
Published in Indian journal of agricultural research (2014)

by Negi, Sakshi, Singh, O.P., Pandey, Jayshree, Sujatha, N.
Published in Environment conservation journal (26.06.2018)

by Singh, N, Kumar, R, Gautam, S, Singh, O.P, Gidwani, K, Rai, M, Sundar, S, Nylén, S, Sacks, D
Published in INTERNATIONAL JOURNAL OF INFECTIOUS DISEASES (01.04.2014)

by Mishra, Snehal, Singh, O.P, Shilpi
Published in Economic affairs (Calcutta) (01.12.2015)

by Pandey, Jayshree, Singh, O.P., Sujatha, N., Shukla, Shweta, Negi, Sakshi
Published in Environment conservation journal (26.06.2018)