the English annual: setiap tahun means of course annual/every year; tahunan (wich you give in the variant of the course for Bahasa Melayu speakers) is very valid in Indonesian as well. So setiap tahun = tahunan, in both “dialects”
the English annual: setiap tahun means of course annual/every year; tahunan (wich you give in the variant of the course for Bahasa Melayu speakers) is very valid in Indonesian as well. So setiap tahun = tahunan, in both “dialects”