TY - JOUR ID - TI - A study on Soft Pre-Open Sets using AU - Jamil Mahmoud Jamil PY - 2021 VL - 62 IS - 4 SP - 1276 EP - 1283 JO - Iraqi Journal of Science المجلة العراقية للعلوم SN - 00672904 23121637 AB - The concept of strong soft

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