TY  - BOOK
AU  - Nkhoma, Mike.
TI  - A comparison of diagrams and models as instructional aids in the lea rning of chemical structure and bonding at `A' level
U1  - 540.7 
PY  - 1993///
CY  - Kampala
KW  - Chemistry
KW  - Study and teaching (Secondary)
N1  - Unpubished thesis (M.Ed.) -- Makerere University, 1993; Includes bibliographical references (p.87-89)
ER  -