Booking.com not safe

I had to cancel a booking made for Kuruman Inn on booking.com in September and have to date NOT received my refund? *** Be carefull booking on their platform - it is not as safe as you may think Details:

Kuruman Inn Confirmation number 2522.386.900 PIN Code 0969 Booking Details 1 night, 1 room Add space for more guests You booked for 2 adults Check-in Saturday, February 19, 2022 (from 3:00 PM) Check-out Sunday, February 20, 2022 ****il 10:00 AM)