HENG NARIN ; ហេង ណារិន
Effect of different rates of urea fertilzer on celerycabbage , ឥទ្ធិពលនៃបរិមាណជីអ៊ុយរ៉េខុសៗគ្នាទៅលើដំណំាស្ពៃចង្កឹះ - Phnom Penh RUA 2014 - xi ; 40p. ill. 29cm.
AGR HEN 2014 B432 Or.1
Effect of different rates of urea fertilzer on celerycabbage , ឥទ្ធិពលនៃបរិមាណជីអ៊ុយរ៉េខុសៗគ្នាទៅលើដំណំាស្ពៃចង្កឹះ - Phnom Penh RUA 2014 - xi ; 40p. ill. 29cm.
AGR HEN 2014 B432 Or.1