1. Figure 1: World Trade Centre, New York https://en.wikipedia.org/wiki/World_Trade_Center_controlled_demolition_conspiracy_theories
2. Figure 2: Alfred P. Murrah Federal Building, Oklahoma https://news.trust.org/item/20150417143942-9i7q9/
3. A review of Progressive Collapse research and regulations (2015), Michael Byfield, Wjesundara Mudalige, Colin Morison, Euan Stoddart
4. Research and practice on Progressive Collapse and robustness of building, structure in the 21st century (2018), Jose M. Adam, Fulvio Parisi, Juan Sagaseta, Xinzheng Lu
5. Progressive Analysis procedure for Progressive Collapse (2004), S.M Marjanishvili
6. Comparison of various procedures for Progressive Collapse analysis (2006), Shalva Marjanishvili, Elizabeth Agnew
7. Progressive Collapse, Methods of prevention (2013), Anastasia Vasilieva
8. Effects of Design Ductility on the Progressive Collapse potential, Mark Adom-Asamoah, Noble Obeng-Ankamah (2016), R.A Izadfard and Mr. Maheri
9. Effect of Plan Irregularity on Progressive Collapse, Homaioon Ebrahimi Amir (2018), Einkookim, Sumin Hong (2011)
10. Effects of Different Seismic Zones on Progressive Collapse, Syed Asaad Mohiuddin Bukhari, Ashfaque Ahmad Khan and Shivaraju G D (2015), Jay Patel, Abbas Jamani (2017)
11. Effect of Removal of Column on Progressive Collapse, A.R. Rahaie, M Banazadeh, M.R. Seify Asghshahr and H. Kazem, Farzad Akbariniaa, Yahya Adinehfarb, Hadi Davashic, Dariush Jalilid, Peyman Beiranvande and Mojtaba Hosseinie