Sources of Islam:
1. The holy Qur'an
2. The Hadith (Sayings/practice of the holy Prophet (SAW)
3. Ijmah, Qiyas, Ijtihad, Istehsan, The practice of the holy Companions (RA)
Primary sources provide firsthand information or data, created at the time of the event being studied. Examples include diaries, speeches, interviews, and original research studies. Secondary sources analyze, interpret, or summarize information from primary sources. Examples include books, review articles, and documentaries.
The prophet Muhammad PBUH is the prophet of Islam. All His teachings, commands, recommendations, laws , acts & all the details of His life are callad Al-Sunnah which is considered as the second main source of the Islamic laws after the Holy Quran. The prophet Muhammad Himself had commanded the Muslims to be tenacious to the two sources & assured us as Muslims that by Allah's leave we'll never be astray as long as we follow all what is mentioned in these two sources. refer to the related questions for more information.
The sources that are needed for reviewing depends on that a person or student is going to review or the topic of interest. Most major sources come in two forms: peer reviewed journal articles and/or books.
Working out all the details of the life of Muslims as they are the two major sources of laws & recommendations in Islam. Refer to the related question for more details.
The Quran is where Muslims find the rules and guidelines for their life. What to do, what not to do, etc.
inherited - from you parents or grandparents and so on. enviromental - from your environment
maps ,artifacts
Do you mean "conjecture"? This term refers to an opinion or theory formed without much evidence.
Biographies and autobiographies are primary sources of information for an essay on a famous personality. These sources provide firsthand accounts and insights into the person's life, experiences, and achievements.
The two main sources are:Quran, Muslims holy book that reflects real God word revelation to prophet Muhammad (PBUH) through the angel Jibril (Gabriel).Prophet Muhammad (PBUH) sayings and practices (called Sunnah)
Primary sources of information are great because they are first hand information from someone who was there. Secondary sources are based on primary sources, and may be biased.
Simple, Primary and Secondary Data