Notes on SI units, signs, symbols and abbreviations for use in schoo l certificate/General Certificate of Education, Ordinary Level and Adva nced Level science and the West African Examinations Council / prepa red by an Inter-disciplinary Panel of the Council, the West African Exa minations Council. - [s.l] : West African Examinations Council, 1972. - 15 p. : ill., tabs. ; 25 cm.


Metric system.
Metric system -- Handbooks, manuals, etc.

389.15 WES