Pancho, Juan Valles,  <br/><br/>
Manual of weeds of tobacco in the Philippines / 
[by] J.V. Pancho, M.R. Vega and S.R. Obien 
 - Ilocos Norte :  Philippine Tobacco Research and Training Center,  1983. 
 - 298 pages :   illustrationss,  22 cm. 
<br/><br/> Cover-title.(Ringbound) 
<br/><br/><label>ISBN: </label>9710300385 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Weeds--Philippines.<br/>Tobacco--Philippines.
<br/><br/><label>LC Class. No.: </label>SB 613  / P1919 1983