1
Published in 1994
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3
Published in 1984
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5
Published in 1986
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8
Published in 1989
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11
bachelorThesis
Published in 2008
Repository Repositorio Universidad San Francisco de Quito
12
Published in 1983
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13
Published in 1974
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15
Published in 1975
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16
by Tapia B., César; Paredes Andrade, Nelly Judith; Naranjo Quinaluisa, Edwin Jesús; Tacán, Marcelo; Monteros, Alvaro; Pérez Ruíz, César Félix; Valverde Vanegas, Yolanda Marilú
Published in 2017
Repository
17
bachelorThesis
Published in 2013
Repository Repositorio Universidad San Francisco de Quito
18
Published in 1974
Repository
19
Published in 1995
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20
Published in 1994
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