Bibliografi: hlm. 169-170No 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.: 848-849/BD/Perp/86/2c
No Inv.: 8110-8114/P/Perp/92/5c~4725-4731/P/Perp/97/7c~67383-67387/S/00/5c
Judul asli : "The Extension Worker`s Companion and Reading Book"
No Inv.: 1197/BD/Perp/91/1c
No Inv.: 1961/S/Perp/99/1c
No Inv.: 106452/P/Perp/06/1c~107237/PSM/Perp/06/1c
Bibliografi : hlm. 461-480
No Inv.: 1062/S/Perp/89/1c~365/S/Perp/90/1c~3033-3034/Pb/Perp/91/2c~986/S/Perp/92/1c~9171-9175/P/Perp/92/5c~668/S/Perp/93/1c
No Inv.: 109999/PSM/Perp/07/1c~113536,113537/P/Perp/08/2c~120925/S/Perp/09/1c~123792-123796/P/Perp/10/5c