On the value dimension of Marx's modern social development theory 并列题名：On the value dimension of Marx's modern social development theory study on Marx's modern social development theory critique and innovation of modern social development ideas Research on Marxist social development theory Researches on Giddens' social development theory 并列题名：Research on Marxist social development theory 并列题名：Researches on Giddens' social development theory Moral dimension of scientific development