ឥទ្ធិពលនៃសីតុណ្ណភាពសម្ងួតទៅលើគុណភាពម្សៅផ្កាអមតៈ, effects of drying temperature on quality of butterfly pea powder SY PHALLY, ស៊ី ផល្លី AGI SYP 2018 B671 Or. phnom penh rua 2018 2018 Text ix, 31p, SY PHALLY