An pagkakaiba han mga rebisyon han "Frekwensiya"

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== Padugang nga barasahon ==
* {{Cite book | last=Giancoli | first=D.C. | title=Physics for Scientists and Engineers | url=https://archive.org/details/physicsforscient0000gian | publisher=Prentice Hall | year=1988 | edition=2nd | isbn=0-13-669201-X | postscript=<!--None--> }}
 
== Mga sumpay ha gawas ==