Perhaps you should try some spelling variations:
"binary ratses based optimization algorithm" » "binary rat based optimization algorithm" (Expand Search), "binary cities based optimization algorithm" (Expand Search), "binary states based optimization algorithm" (Expand Search), "binary rates based optimization algorithm" (Expand Search)
"binary rats swarm optimization algorithm" » "binary rat swarm optimization algorithm" (Expand Search)

You may be able to get more results by adjusting your search query.

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