Common Coupled Fixed Point Theorems for Two Hybrid Pairs of Mappings under <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" id="M1"><mml:mi>φ</mml:mi><mml:mtext>-</mml:mtext><mml:mi>ψ</mml:mi></mml:math> Contraction
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