Answer: 1. An article published by a university or a government agency.
3. An article published in 2015 and updated a week ago.
Explanation:
A research paper is the outcome of the research process done by a person having knowledge of the mentioned topic. It is a written document written by the author by conducting thorough observations and performing experiments.
Following are the sources she consults:
1. An article published by a university or a government agency.:
It is a reliable source of information as usually the research paper published by a government agency and university is generated by the thorough research work and examination. The information present in such articles will be authentic, useful and informative.
3. An article published in 2015 and updated a week ago. :
An article which is recently published can be considered reliable. This is because of the fact that the new information will be updated in it making the information more advance.
