[���ߤΥȥ����ݸ���ᔺα���Ҫ] [đạo pháºÂÂt] [JCOM xa401 xa402] [���ấu] [ảo vọng] [Step 1: Develop and Refine Your Hypothesis Come up with a hypothesis based on an issue that you can actually investigate—perhaps by polling or interviewing your classmates, creating case studies, or posting a survey online. If you post online, don’t give your personal information to strangers, and] [ MÃâÃÆ�] [bát tá»± lữ hành] [Hoa văn Việt Nam] [rl bac pc]