Bellaj Badr <br/><br/>
Blockchain By Example. 

 - 528. 
<br/><br/>Electronic book text. 
<br/><br/><br/>Data in extended ASCII character set. <br/>Mode of access: Internet. 
<br/><br/><label>ISBN: </label>9781788473910 
<br/><br/><label>Standard No.: </label>9781788473910  isbn