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  Search result  Your search for [author]Colis, Oscar L. returned 4 records.  
 
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  Technical Report Socio-economic studies on the production of major root crops in Eastern Visayas.

by Colis, Oscar L.; Baybay, Leyte: VISCA, 1977. 114p. -(PCARR Proj. No. 303).

Subject: ROOT CROPS; PLANT PRODUCTION; PRODUCTION FACTORS; ECONOMIC ANALYSIS; SOCIOLOGY; VISAYAS; PHILIPPINES.

  
     
Relevance: 18.93%
 
     
  Thesis The contribution of schooling and income of lowland rice farmers.

by Colis, Oscar L. (Oscar Loyola).; 1982.

Subject: Agricultural education. -- Philippines; Agricultural extension work.

  
     
Relevance: 18.91%
 
     
  Thesis Programmed instruction in farmers' cooperative.

by Colis, Oscar Loyola, 1936; College, Laguna: s. n., 1972.

Subject: Agriculture -- Programmed instruction; Agriculture, Cooperative -- Philippines.

  
     
Relevance: 18.52%
 
     
  Visual Material Programmed instruction in farmers cooperative [microform].

by Colis, Oscar Loyola, 1936-; Quezon City: Photoduplication Service. University of the Philippines Library, 1977.

Subject: Agriculture -- Programmed instruction; Agriculture, Cooperative -- Philippines.

  
     
Relevance: 18.52%
 
     
 
         
         
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