Analysis of fertilizer demand, supply and distribution system in the rice sector of Sri Lanka
Subtitle: a systems analysis approach
By: Shantha Priya Yahanpath
Contributors: Technische Universität Berlin
Publisher: [s.n.]
Published: 1986
Place of publication: [s.l.]
Language: ger
Notes: Mikroreprod. e. Ms. IV, 150 Bl. : graph. Darst.

Thesis (doctoral)--Technische Universität Berlin, 1986.