Processing of tofu, ការកែច្នៃតៅហ៊ូ CHEA KIMSREANG; ជា គឹមស្រៀង AGI CHE 2014 B453 Or.1 Text viii,37p. https://drive.google.com/file/d/1oh9tKPaFLAsgxfGoZFgq7OAwmL5GoJTU/view?usp=sharing eng