EVALUATION OF APPROPRIATE-SCALE FARM MACHINERY PERFORMANCE IN CONSERVATION AGRICULYURE PRODUTION SYSTEMS IN CAMBODIA.ការវាយតម្លៃសមដែងកម្មម៉ាស៊ីនកសិកម្មសមស្របសម្រាប់ប្រព័ន្ធផលិតកម្មអភិរក្សនៅកម្ពុជា HIN LYHOUR,ហ៊ិន​ លីហួរ creator text monographic xii,74p ill, 29cm https://drive.google.com/file/d/1oiNi8GYpCyztkAq8HjsZ3OHaPPPbmA7N/view?usp=sharing https://drive.google.com/file/d/1oiNi8GYpCyztkAq8HjsZ3OHaPPPbmA7N/view?usp=sharing