Pham Thi Hong Ha (2014) “THE MORPHOLOGICAL VARIATION OF THE SPECIES OF EARTHWORM PHERETIMA ROBUSTA (PERRIER, 1872)”, UED Journal of Social Sciences, Humanities and Education, 4(2), pp. 1-4. Available at: https://jshe.vn/index.php/jshe/article/view/290 (Accessed: 21November2024).