Bhatt, Dhara <br/><br/>
Pyramid yantra for vaastu / 
by Dhara Bhatt 
 - 14th ed. 
 - Baroda :  Future Force Publication,  2010. 
<br/><br/><label>ISBN: </label>8188713007 
<br/><br/><label>Subjects--Index Terms: </label>Vaastu sastram