Suratmadji, Teddy. <br/><br/>
Dakwah di dunia cyber :  panduan praktis berdakwah melalui internet / 
Ir. H. Teddy Suratmadji. 
 - Jakarta :  Madani Institute,  2010. 
 - 96 p. :  ill. (some col.) ;  22 cm. 
<br/><br/><label>ISBN: </label>9786029829600  Hadiah 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Da'wah (Islam)<br/>Computer networks.