Send the following on WhatsApp
Continue to ChatOn regular open sets, pre_"I" ^*-open sets, weakly Irg-closed sets - https://avesis.comu.edu.tr/publication/details/faf96fe1-09ed-42e4-9f6d-7a59e80fd8f4/on-regular-open-sets-pre-i-open-sets-weakly-irg-closed-sets