@incollection{, 6AE8A74D14473896E9877656A56EFC36 , author={{NiajulKarim} and {Md. GolamRabbi} and {Md. Lutful SadiqMim} and {SakibAhammad} and {American International University-Bangladesh}}, journal={{Global Journal of Researches in Engineering}}, journal={{GJRE}}2249-45960975-586110.34257/gjre, address={Cambridge, United States}, publisher={Global Journals Organisation}1841722 } @book{b0, , title={{}} , author={{ NakitaKNoel } and { SamuelDStranks } and { Abate } and { Antonio; Wehrenfen-Nig } and { ;Christian } and { Guarnera } and { ;Simone } and { Haghighirad } and { Amir-Abbas }} } @book{b1, , author={{ Aditya;Sadhanala } and { GilesEEperon } and { Pathak } and { KSandeep } and { MichaelBJohnston } and { Annamaria;Petrozza } and { LauraMHerz } and { Snaith } and { JHenry }} , title={{Lead-free organic-inorganic tin halide perovskites for photovoltaic ap-plications}} , year={May 2014} } @book{b2, , title={{Structure of a generic Perovskite}} , year={2015} , note={Accessed: 28thNovember} } @book{b3, , author={{ ZPoruba } and { JRemes } and { MSpringer } and { AVanecek } and { JFejfar } and { JKocka } and { PMeier } and { ATorres } and { Shah }} , title={{Proc. 2nd WCPSEC}} 2nd WCPSECVienna , year={1998} 781 } @book{b4, , author={{ BLSopori } and { JMadjdpour } and { WChen }} , title={{Proc. 2nd WCPSEC}} 2nd WCPSECVienna , year={1998} 156 } @incollection{b5, , title={{}} , author={{ JSpringer } and { APoruba } and { AFejfar } and { MVanecek * Institute }} , journal={{Physics, Academy of Sciences of the Czech Republic}} 10 , note={Cukrovarnicka} }