Indeks hlm.: 520-544.
Jama'karamat al-auliya.
Indeks Diterjemahkan dari : Why didn't I think of that? Bibliografi : hlm. 447-450
Nuansa Ramadhan.
Bibliografi hlm.:163-171. SAS 2X2.
Judul Asli; Research Design: Qualitative, Quantitative, and Mixed Methods Approaches