@book{506,
	author = {SENG VANNA},
	title = {A study of the effects of transplanting seedlings of different ages on the growth and yield of rice in kampongleave district prey veng province},
	publisher = {RUA},
	year = {2003},
	address = {phnom penh },
	url = {https://drive.google.com/file/d/13Ht6XJCqotRly1fxBzVTk2jUhvChIoy0/view?usp=sharing}
}