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AIzaSyB4mHJ5NPEv-XzF7P6NDYXjlkCWaeKw5bc
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Пример длительного события (31 dic 1984 año – 1 ene 1993 año)
Añadido al timeline:
Развитие научных школ по информатизации образования
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30 sep 2018
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791
fecha:
31 dic 1984 año
1 ene 1993 año
~ 8 years
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