Query4All.com
Terbelenggu nafsu umi indah dan 3 anaknya bagian 16_21
Data generated from past analysis.
https://www.duduk123.com/threads/terbelenggu-nafsu-umi-indah-dan-3-anak-gadisnya.1388468/page-294
https://www.academia.edu/32193463/Risalah_Pergerakan_Hasan_Al_Banna
https://tdjamaluddin.wordpress.com/2011/08/27/muhammadiyah-terbelenggu-wujudul-hilal-metode-lama-yang-mematikan-tajdid-hisab/
https://id.scribd.com/doc/64331355/Terbelenggu-Wujudul-Hilal-Metode-Lama-Yang-Mematikan-Tajdid-Hisab
http://muhammad.com/88languages/Malay/1715%20Hadist%20Sahih%20Bukari%20without%20duplication.doc
http://rumahbelajar.id/Media/Dokumen/5cff5f5fb646044330d686d0/b63de622f0390bcfe30c5c52b54e1795.pdf