classroom.serializers.billings.BillingSerializer(instance=None, data=<class 'rest_framework.fields.empty'>, **kwargs)[소스]¶Bases: rest_framework.serializers.ModelSerializer
classroom.serializers.billings.BudgetRefSerializer(instance=None, data=<class 'rest_framework.fields.empty'>, **kwargs)[소스]¶Bases: rest_framework.serializers.Serializer
classroom.serializers.billings.BudgetSerializer(instance=None, data=<class 'rest_framework.fields.empty'>, **kwargs)[소스]¶Bases: rest_framework.serializers.ModelSerializer
classroom.serializers.billings.CreditCardSerializer(instance=None, data=<class 'rest_framework.fields.empty'>, **kwargs)[소스]¶Bases: rest_framework.serializers.ModelSerializer