Something like getting information from radio stations or from various text books or non-fiction books would be examples of second-hand sources.
Primary source
Primary source
primary source
the firsthand record
they are a firsthand account by a slave
Secondary Source.
Primary Source
a primary source offers a firsthand account of an event. (apex)
a primary source offers a firsthand account of an event. (apex)
primary source
source documents
A primary source is original information created at the time of the event being studied, such as diaries, letters, photographs, or speeches. An example of a primary source would be a firsthand account from someone who witnessed an event.