COMPARISON OF DIFFERENT RATES OF SEMI-ORGANIC 5-5-5 FERTILIZER ON LETTUCE (Lactuca sativa L.),ប្រៀបធៀបកម្រិតជីពាក់កណ្តាលសរីរាង្គ៥-៥-៥លើដំណាំសាលាដ PHO KIMLENG,ផូ គីមលេង AGR PHO 2022 B1-546 Or. phnom penh rua 2022 2022 Text x.41p. https://drive.google.com/file/d/1fWcxWgvYOHjX4mhTvrfwflH7FEJHN7h3/view?usp=sharing