No Inv.: 127-128/S/Perp/90/2c~6284-6288/P/Perp/92/5c~2838-2839/BD/Perp/87/2c
Judul asli : "Introduction to the Study of Soils in Tropical and Subtropical Regions"
No Inv.: 84598-84599/P/Perp/FMIPA/2c
Bibliografi : hlm 143-144
Bibliografi : hlm. 453-458
No Inv.: 65262-65265/P/00/4c
No Inv.: 59247-59248,59250-59251/P/00/4c
No Inv.: 3662-3666/P/Perp/95/5c~2486-2488/P/Perp/98/3c
No Inv.: 134776/SM/Perp/13/1c
Bibliografi : hlm. 245-250