Judul asli : "Effective Class Management : A practical Approach"
Bibliografi : hlm. 259-261
No Inv.: 129610/PSM/Perp/11/1c
No Inv.: 345/S/Perp/97/1c
No Inv.: 355/S/Perp/97/1c
No Inv.: 294/S/Perp/97/1c
No Inv.: 369/S/Perp/92/1c
No Inv.: 315/S/Perp/97/1c
No Inv.: 313/S/Perp/97/1c
No Inv.: 310/S/Perp/97/1c