A Simulation Study of Domestic Rice Distribution under the Japanese Food Law of 1994. "20th Intern, Conference of the System Dynamics Society2002, Palermo, Italy". 2002. 104-
A Simulation Study of Domestic Rice Distribution under the Japanese Food Law of 1994. "20th Intern, Conference of the System Dynamics Society2002, Palerms, Italy". 2002. 104-
The International Associationof Maritime Economists(Norway)
, 日本航海学会
, The International Association of Maritime Economists(Norway)
, 日本交通学会
, 日本港湾経済学会
, 日本海運経済学会
, 土木学会
, 日本物流学会