von sergio castiblanco Vor 6 Jahren
158
Mehr dazu
von Wisarut Ruangwohan
von Waqar Syed - Rick Hansen SS (2542)
von Ravuru Paul
von Felipe Quintana
you become smarter with every new thing you learn
internet
books
put your mind to work
recall as many details as you can about the keywords you added
easier to remember
interesting