How do you collect information in your work?

Usually i try first to grape information from my colleagues and Direct Supervisor and if i couldn't get it full , i will do my searches through the internet and my friends in the same field.

2-person in charge for this task

Depend on what his our requirement.

We can use the search engine

Ask to the co-workers on the information what we required on the work

Ask to the professional on the same field.

That depends on the task itself.