The effect of using different mulching materials on the growth and tillering capacity of green onions (Allium Fistulosum Linn) / 
Lereza N. Marfil, Jona Guanco, Mary Ann Suriaga. 
 - xiii, 73 pages;. 
<br/><br/> Thesis(Education)-Polytechnic State College of Antique, 2002.  Bibliography-leaves 58-59.