What should I do if I forget my username and password?

Click on the login option at the top left of the screen. 
Then I forgot the password to the system! click. You will be asked for your email address.
You will then receive an email authorizing you to change your password.

Can your article be submitted to multiple journals?

No. This is unethical in publishing. If this is done, your article will not be published;
And if it is printed, it will be invalidated. Your name will then be blacklisted and no other articles will be accepted from you.

Does the journal charge authors to review and publish articles?

The Journal of Iranian journal of Pulses Research

 does not receive any money from authors