AU - Köse, Hüseyin AU - Öztürk, Zübeyde TI - The economic comparison of the different type of ballast-less superstructures with a ballasted superstructure technic: A case study; Yenibosna- Airport metro line (Istanbul) PT - Journal Article DP - 2021 TA - Pamukkale Univ Muh Bilim Derg PG - 329-341 VI - 27 IP - 3 AID - 10.5505/pajes.2020.55481 [doi] 4100 - https://dx.doi.org/10.5505/pajes.2020.55481 SO - Pamukkale University Journal of Engineering Sciences, 2021 27(3):329