Specification for urea, fertilizer grade. granular urea (First Revision). Part 1 : granular urea - Shah Alam : Institut Standard dan Penyelidikan Perindustrian Malaysia, 1993 - 7 p. : ill. ; 29 cm. - Malaysian standard ; MS 14 : Part 1 : 1993 . ISBN: RM9.00 Subjects--Topical Terms: Urea as fertilizer--Standards