Supiani, S.--. “The Implementation of Process Approach to Teaching Writing at the Ninth Grade of SMPN 1 Pelaihari Academic Year 2015/2016”. Nusantara of Research : Jurnal Hasil-Hasil Penelitian Universitas Nusantara PGRI Kediri, Vol. 3, no. 1, Aug. 2016, https://ojs.unpkediri.ac.id/index.php/efektor/article/view/255.