@book{20573,
	author = {Sulaiman Zakaria, },
	title = {Jabatan-jabatan berkaitan alam sekitar},
	publisher = {Setiamas , },
	year = {1992},
	series = {Siri pendidikan alam sekitar},
	address = {Petaling Jaya, Selangor : },
	note = {Tahun 3}
}