Which of the following sources will enable you to secure the most reliable and valid research available?
(a) news sources
(b) biographical material
(c) academic research articles
(d) personal illustrations

(B) biographical material

Explanation:

According to my research on different research methodology, I can say that based on the information provided within the question the most reliable and valid research available is biographical material. This is because biographies is information written by the person who experienced everything first hand. Therefore it is as close as you can get without experiencing the events first hand yourself.

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answer; /// the correct answer is (belongingness needs; good luck

swahili is an extremely rich and complex civilization, a set of ethnic groups articulated by a language and a series of cultural elements that fuse the african traditions, islam and indian culture. this growth was largely a result of the indian ocean trading network that brought in not just man-made riches, but also religious ideas, specifically islam, which had a significant impact on the local culture. furthermore, the development of the swahili language gave a common cultural unity to the people.