HEANG, DANY. <br/><br/>
ឥទ្ធីពលនៃកាលបរិច្ចេទដាំដុះលើពេលវេលាចេញផ្ការបស់ពួូលស្រូវធ្ងន់មួយចំនួន (effect of seeding date on heading time in some late duration rice varieties) 

 - Phnom Penh  RUA  2000 
 - 65p.  ill.  29cm. 
<br/><br/><label>Dewey Class. No.: </label>AGR HEA 2000 B022 Or.1