Ajibesin, A.A. & Vajjhala, N.R.  (2024 - in progress). Data Envelopment Analysis (DEA) Methods for Maximizing Efficiency. IGI Global. DOI: 10.4018/979-8-3693-0255-2. ISBN13: 9798369302552. https://www.igi-global.com/book/data-envelopment-analysis-dea-methods/321646

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Vajjhala, N.R. & Strang, K.D. (2023). Cybersecurity for Decision Makers. CRC Press - Taylor & Francis. DOI: 10.1201/9781003319887. https://www.routledge.com/Cybersecurity-for-Decision-Makers/Vajjhala-Strang/p/book/9781032334974

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Vajjhala, N.R. & Eappen, P. (2022). Health Informatics and Patient Safety in Times of Crisis. IGI Publications. ISBN13: 9781668454992. DOI: 10.4018/978-1-6684-5499-2. Link: https://www.igi-global.com/book/health-informatics-patient-safety-times/295984.

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Potluri, R.M. & Vajjhala, N.R. (2022). Advancing SMEs Toward E-Commerce Policies for Sustainability. IGI Publications. ISBN13: 9781668457276.  DOI: 10.4018/978-1-6684-5727-6. Link: https://www.igi-global.com/book/advancing-smes-toward-commerce-policies/297028.

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Vajjhala, N.R. & Strang, K.D. (2022). Global Risk and Contingency Management Research in Times of Crisis. IGI Publications. ISBN13: 9781668452790. Indexed in SCOPUS. Link: https://www.igi-global.com/book/global-risk-contingency-management-research/294858.

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Che, F., Strang, K.D., & Vajjhala, N.R. (2020). Opportunities and Strategic Use of Agribusiness Information Systems. IGI Publications. ISBN13: 9781799848493. DOI: 10.4018/978-1-7998-4849-3. Link: https://www.igi-global.com/book/opportunities-strategic-use-agribusiness-information/244594

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Strang, K.D., Kostranje, M.E., & Vajjhala, N.R. (2018). Research, Practices, and Innovations in Global Risk and Contingency Management. IGI Publications. ISBN13: 9781522547549. DOI: 10.4018/978-1-5225-4754-9. Link: https://www.igi-global.com/book/research-practices-innovations-global-risk/185476.