Identify the following as either Primary or Secondary source.


1. A letter written by covid-19 victim to his mother about the latest developments in the
quarantine room.


2. The diary of Anne frank - the published diary of a teenage girl who experience the holocaust first hand.


3. The story of your friend andrew that tells you about his experience during the quarantine time.


4. Your world history textbook or an encyclopedia.


5. An autobiography about the 16th president of the philippines, Rodrigo Duterte. ​