How long will I get my tax return after my tax clearance?

Hi Members/ Gravitas,

I just left Malaysia and moved back to my country for a new opportunity. I'm wondering how long will I get my tax return back?

My story is I started a job in Malaysia on August 1st 2018 and I just left Malaysia a week ago on March 23, 2019, I only left Malaysia 2 times (10 days and 7 days during my time in Malaysia) so I believe I was a tax residence even I haven't received any tax residence certificate.

I did my tax clearance on March 22, 2019 before I leave so I have few questions: 

1. Will I get my income tax return back? In the first 6 months from August 2018 - Feb 2019, my salary was deducted 28% for each month.
2. If yes, How long does it take to process my income tax return back to my bank account ?

I did an E-Filling for my 2018 income tax + declared my 2019 income tax with my tax clearance's documents.

Please advise me. 

Thanks you,
Johnny