Variability of rainfall and temperature in Ilocos Norte, Philippines / 
Evangeline S. Galacgac, Charito G. Acosta, and Nathaniel R. Alibuyog. 
 - City of Batac, Ilocos Norte:  Mariano Marcos State University  2013 
 -  S & T Journal Vol. 3 No. 2,  July - December 2013, pages 79 - 96 .
<br/><br/><label>ISSN: </label>2012 0060 
<br/><br/><label>Subjects--Index Terms: </label>Cropping calendar,   Ilocos Norte,  Rainfall,  Temperature