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Srimud, K. and Tadee, S. 2026. On the Diophantine Equations p^{2x}+q^{y}=z^{4} and p^{2x}-q^{y}=z^{4} , Where p and q are Primes. Burapha Science Journal. 28, 1 January-April (Mar. 2026), 114–121.