Step 1: Understanding project work.
Project work in social research involves a systematic series of steps, starting from identifying the problem to presenting findings.
Step 2: Key stages.
\begin{itemize}
\item Selection of study subject (deciding the research problem).
\item Selection of study techniques (choosing methodology).
\item Compilation of facts (collecting and analyzing data).
\end{itemize}
Step 3: Conclusion.
Since all the given options are valid stages, the correct answer is “All of the above.”
Final Answer: \[ \boxed{\text{All of the above}} \]
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