Update design-philosophy.rst

Author: Evolutionary-Intelligence

docs/sphinx/source/design-philosophy.rst

@@ -177,6 +177,8 @@ Papers of Critical Analyses
 
 * 2024: `Exposing the *** optimization algorithm: A misleading metaheuristic technique with structural bias
   <https://www.sciencedirect.com/science/article/pii/S156849462400348X>`_
+* 2015: `A critical analysis of the *** search algorithm—How not to solve sudoku
+  <https://www.sciencedirect.com/science/article/pii/S221471601500010X>`_
 
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