De Belen, Rustico T. <br/><br/>
Basic statistics / 
Rustico T. De Belen and Arthur Reiner V. De Belen. 
 - Quezon City:  Jobal Pub. House,  c2019. 
 - iv, 152 p. :  ill. ,  23 cm. 
<br/><br/>Includes appendices & bibliography. 
<br/><br/><label>ISBN: </label>9789719667087 (pbk.) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Statistics