TY - JOUR ID - TI - A Steganographic Approach Based on Spetial Frequency Layering AU - Sarab M. Hameed PY - 2006 VL - 9 IS - 2 SP - 69 EP - 72 JO - Al-Nahrain Journal of Science مجلة النهرين للعلوم SN - 26635453 26635461 AB -

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