MARIANA, Lina -; NURHAJATI, Diani. IMPROVING THE QUALITY OF TEACHING LEARNING PROCESS OF WRITING CLASS THROUGH LESSON STUDY. Nusantara of Research : Jurnal Hasil-hasil Penelitian Universitas Nusantara PGRI Kediri, Indonesia, INA, v. 2, n. 2, 2015. Disponível em: https://ojs.unpkediri.ac.id/index.php/efektor/article/view/168. Acesso em: 18 apr. 2025.