RE: WOW 5 Biggest Active Volcanos In Aceh That You Must Know

zulmirita(55)

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Tuesday, January 17, 2017 3:58 PM

hello @steemwold @steemcleaners @cheetah , please clear my case. how about reference from a book ??
is a reference should be from website or blog only ???

how about a book that was validated by goverment to post for all people ? is not valid reference here ??

please explain to me...

nature

Tuesday, January 17, 2017 3:58 PM

zulmirita(55)

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