Bibliografi: hlm. 169-170 No Inv.: 707/S/Perp/90/1c~175a-175b/S/Perp/92/2c~9401-9403/P/Perp/92/3c~3010-3014/P/Perp/99/5c~78654-78656/S/01/1c
No Inv.: 1611/S/Perp/91/1c~4197-4203/P/Perp/97/10c
Bibliografi : hlm. 247 - 255
No Inv.: 112027-112029/P/Perp/08/3c
Bibliografi : hlm. 177-178 No Inv.: 139593-139595/P/Perp/14/3c
No Inv.: 2553-2554/P/Perp/91/2c
No Inv.: 2730-2731/P/Perp/91/2c~1826-1830/P/Perp/95/5c
No Inv.: 3927/P/Perp/91/1c
No Inv.: 1546-1550/P/Perp/95/5c
Judul asli : "The Extension Worker`s Companion and Reading Book"