Proficiency in professional writing will help you understand how to write professional e-mails, research proposals and statement of purposes (SOPs). These kinds of writings require a very formal tone along with a formal vocabulary. They are written in a way much different from the language of conversation.
In this section, you will find resources that will guide you on the many conventions and norms that must be followed for professional writing.
14 Tips for Writing a Proposal
Kurose & Hambrusch