Panaon, Abraham B. <br/><br/>
Survival, growth and yield of waterlogged tomatoes (Lycopersicum esculentum) in relation to calcium levels  [manuscript] / 
Abraham B. Panaon. 
 - Magalang, Pampanga :  Pampanga State Agricultural University,  2015. 
 - 53 pages ;  27 cm.