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   2.  Alinda Dey, Urmimala Bhattacharjee”Pushover Analysis for Multistory Building” KIIT University, Bhubaneswar, Odisha volume 2(2015)
   3.  Mohommed Anwaruddin Md. Akberuddin, Mohd. Zameeruddin Mohd.Saleemuddin.”Pushover Analysis of Medium Rise Multi-Story RCC Frame With and Without Vertical Irregularity” Nanded, ijera, volume 3 (2013).
   4. M. Pavan Kumar, Sateesh Konni “Effect of Vertical Irregularities of RC Framed structures by Using Non-Linear Static Analysis” SVCET, JNTU-K, AP, India, IJER Volume 4 (2015).
   5. Shaikh Abdul Aijaj Abdul Rahman and Girish Deshmukh “Seismic Response of Vertical Irregular RC Frame with Stiffness Irregularity at fourth floor” Nanded, India, IJETAE, volume 3 (2013)
   6. Dileswar Rana and Prof. Juned Raheem ”Seismic Analysis of Regular Geometry Irregular RCC Framed Building” Bhopal, India, irjet, volume 2 (2015)