एक सरकारी राजपत्र (gazette) मुख्य रूप से निम्नलिखित में से किसके बारे में प्रामाणिक जानकारी प्रदान करता है?

Which of the following entities publish administrative reports? i. Ministries ii. Departments iii. Scientists iv. Associations v. Scholars

According to Dennis Grogan, a primary source of information has which of the following main features? i. Contains original contributions. ii. Contains a condensed form of the latest literature of the subject. iii. Results of the research are usually first reported. iv. Contains only information about information.