por Nicolas Zuluaga Puentes 3 anos atrás
249
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por MARLLEY DANIELA PAREDES MORILLO
por zeina enaba
por พิชชาภรณ์ กาญจนเพชร
por Yesica Castañeda
Create a theory that can be approve or desapprove
Analyze two variables that have a common conclusion
Comparation between before and after applying method
Data Recollected