Step costs
How many of a resource a volume needs, what that costs a month, where the current step ends, and whether an order that forces the next step pays for it.
About 40 minutes8 activities 紙の教材
How many of a resource a volume needs, what that costs a month, where the current step ends, and whether an order that forces the next step pays for it.
About 40 minutes8 activities 紙の教材