LESSEM RONNIE. (1990). DEVELOPMENT MANAGEMENT: PRINCIPLES OF HOLISTIC BUSINESS. BASIL BLACKWELL LIMITED.
Lua i Stíl Chicago (17ú heag.)LESSEM RONNIE. DEVELOPMENT MANAGEMENT: PRINCIPLES OF HOLISTIC BUSINESS. MUMBAI: BASIL BLACKWELL LIMITED, 1990.
Lua MLA (9ú heag.)LESSEM RONNIE. DEVELOPMENT MANAGEMENT: PRINCIPLES OF HOLISTIC BUSINESS. BASIL BLACKWELL LIMITED, 1990.
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