Flexibility in transportation procurement : a real options approach

by Zhelev, Georgi Zhelev, 1975-
Published 2005

Electronic rat-control devices – solution or scam? Results of field trials and a summary of the literary data

by Georgi Zhelev, Koycho Koev, Viktor Stoyanov, Vladimir Petrov
Published 2018-09-01

Dynamics of microbial contamination in a poultry hatchery

by Iliqn Lazarov, Georgi Zhelev, Mihni Lytzkanov, Koycho Koev, Vladimir Petrov
Published 2018-09-01