Balatibat, Asher C. <br/><br/>
Production practices and profitability of semi-automatic tunnel vent system in broiler chicken production  [manuscript] / 
Asher C. Balatibat. 
 - Magalang, Pampanga :  Pampanga State Agricultural University,  2019. 
 - x, 53 pages + CD ;  28 cm.