Humberto Serna
2 known books
newest first
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Books
OpenLibrary works by this author.
SERVICIO AL CLIENTE -Una nueva vi...
SERVICIO AL CLIENTE -Una nueva visión
Year unknown
The development of graduate progr...
The development of graduate programs in education at the National Pedagogical University in Colombia
Year unknown
Humberto Serna and Harvard University. Graduate School of Education
Fetched from OpenLibrary. Some translations may appear as separate works.