Donald Castillo

  • 812 Presentations

Member since: December 27, 2017

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Top 10 Skills that you can g...
DIY & How-To
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Impact of Presentation on Ed...
Education
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Benefits of Gamification in ...
Education
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What is USB Flash Drives and...
Education
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Coronavirus impact on Market...
Sales & Marketing
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Benefits of developing a web...
Education
257 Views 5 years ago pptx