Kahramaner, YaseminPolatoğlu, YaşarAydog?an, Melike2020-11-212020-11-2120140377-0427https://doi.org/10.1016/j.cam.2013.09.013https://hdl.handle.net/11467/3603The main purpose of the present paper is to give the extent idea which was introduced by Robinson (1947) [6]. One of the interesting application of this extent idea is an investigation of the class of harmonic mappings related to Janowski starlike functions. © 2014 Elsevier B.V. All rights reserved.eninfo:eu-repo/semantics/openAccessCoefficient inequalityDistortion theoremGrowth theoremHarmonic mappingsArticle270564570Q1WOS:000337660100051Q22-s2.0-8490122775310.1016/j.cam.2013.09.013