4-H Research | A Searchable Database of Research about the 4-H Program

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Filters: Author is Juan Caliva [Clear All Filters]

1990

Caliva, Juan. 1990. “An assessment of the professional competencies needed by 4-S teachers/advisors in Costa Rica”. Doctoral diss., Iowa State University.

1989

Caliva, Juan. 1989. “Perceptions of the agriculture secondary school students toward the effectiveness of the 4-S program in Guanacaste Province, Costa Rica”. Master's thesis, Iowa State University.