LAY SOPHAI , ឡាយ សុផៃ

ការអភិវឌ្ឍផលិតផលម្សៅល្ពៅ-ខ្ញីឆុង, development of pumpkin -ginger instant powder product - phnom penh rua 2017 - x,55p, ill, 29cm,

AGI LAY 2019 B671 Or.