Wikhro̜ nayōbāi pui khō̜ng ratthabān Thai
By: Somphop Mānarangsan.
Edition: Phim khrang rǣk.
Series: Chut panhā patčhuban ;; ʻandap thī 10/06
Publisher: Bō̜risat Samnakphim Dūangkamon
Published: 1978
Place of publication: Krung Thēp Mahā Nakhō̜n
Language: tha
Number of pages: 164
Notes: A revision of the author's thesis (M.A.--Thammasat University), with title: The history of fertilizer policies of Thailand.
In Thai.