Judul asli : "The Management of Learning"
No Inv.: 384/P/Perp/91/1c~261/P/Perp/90/1c
No Inv.: 2690-2691/P/Perp/91/2c
No Inv.: 1940-1941/BD/Perp/87/2c~2342-2343/BD/Perp/87/2c~2449/Perp/89/1c
No Inv.: 7412-7416/P/Perp/92/5c~2520/S/Perp/89/1c~2340-2341/BD/Perp/87/2c~7412/P/Perp/92/1c
Judul asli : "Manual on Hydrology"
No Inv.: 4237-4241/P/99/5c
No Inv.: 59229-59232,59234/P/00/4c~67728,59229,67731,67735,67736,67737,67738,67740,67741/P/Perp/10c
No Inv.: 67728-67742/S/00/15c
No Inv.: 74179/S/00/1c