TY - GEN AU - Saparamadu , M.D.J.S. AU - Perera , K. Sarath D. AU - Hool , D. TI - Analytical chemistry-part I: statistics for analytical chemistry SN - 9552306574 U1 - 543 PY - 1997/// CY - Nugegoda PB - Open University KW - Chemistry KW - Analytical Chemistry ER -