Así es : manual de laboratorio y cuaderno de ejercicios /
Levy-Konesky, Nancy,1950-
Daggett, Karen,1953-
Levy-Konesky, Nancy,1950-Así es.
Fort Worth ; London : Holt, Rinehart and Winston,
c1996.
Text in English or Spanish.
Previous ed.: New York : Harcourt Brace Jovanovich, 1992
Includes index
Spanish language