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According to the text, there are three types of external sources: personal, marketing, and ...

Tails07

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7 years ago

According to the text, there are three types of external sources: personal, marketing, and ...

According to the text, there are three types of external sources: personal, marketing, and secondary.

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markymoo

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Tails07 Author

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7 years ago

You make an excellent tutor!

Turboturner

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Good timing, thanks!

mambah4

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Thanks

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