Lilik Sugiharti, - and Unggul Heriqbaldi, Dr (2012) Pendekatan Penelitian Kualitatif: Naratif, Fenomenologi, Grounded Theory, Etnografi, dan Studi Kasus. In: Desain Penelitian: Pendekatan Kualitatif. Insan Muamalah Publisher, pp. 27-56. ISBN 978-6021-9598-0-0