The Management of risk social factors in the development of exchange relations among the rubber traders of North Sumatra /
Burns, John Joseph
The Management of risk social factors in the development of exchange relations among the rubber traders of North Sumatra / [microform] : by John Joseph Burns - Ann Arbor, Mich. : University Microfilms International, 1978 - 1 microfilm reel : positive ; 35 mm.
Thesis (Ph.D.) - Yale University, 1977
Rubber industry and trade--Indonesia--Sumatra
Risk management--Indonesia--Sumatra
The Management of risk social factors in the development of exchange relations among the rubber traders of North Sumatra / [microform] : by John Joseph Burns - Ann Arbor, Mich. : University Microfilms International, 1978 - 1 microfilm reel : positive ; 35 mm.
Thesis (Ph.D.) - Yale University, 1977
Rubber industry and trade--Indonesia--Sumatra
Risk management--Indonesia--Sumatra