Final answer:
Among the given options, the website is not necessarily a published source. While it can contain published information, websites don't always go through the rigorous review and verification process that published sources typically do, meaning their content may not always be reliable.
Step-by-step explanation:
Among the options provided, a) semi government publications, b) international publications, and d) government publications are all examples of published sources. These refer to materials that have been made available to the public in printed form or, in some cases, in digital form. They are considered 'published' as they go through a process of edit, review, and approval before they are made public. This ensures that the information provided is reliable.
However, option c) website, is not necessarily a published source. While many websites do contain information that has been published, not all websites undergo the same rigorous review and verification process that printed publications usually do. Thus, the content found on some websites may not be considered a reliable published source, and it is always necessary to evaluate the credibility of a website before using it as a source in your studies.
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