7. Newsletter
กลุ่มที่ 1 A written report or a printed prepared to present information, news of interest to a group or institution, as a business firm, charitable organization, or government agency and mailed to the organization's members
กลุ่มที่ 2 A document with information about recent activities of an organization that presents information and news to people with a specific interest in the organization or subject our co-op’s monthly newsletter an employee newsletter.