Research in the biological sciences principles, methods and statistics : (with emphasis in agriculture, fishery, forestry and environment) 
Gregorio, Geronimo L. 
 -  Seguiban Printing and Publishing Enterprises, Inc.,  2016 
 - xii, 267 p. 
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<br/><br/><label>ISBN: </label>978-9-71040625-8 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agriculture -- Research -- Methodology.
<br/><br/><label>Dewey Class. No.: </label>HS 570.72 G821 2016