Q. Feng · Qing Feng · Yu Feng · Yu qing
| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Children Intermediate articles - stick figure Encyclopedia | 978-7-5385-7884-3 (7-5385-7884-6) | 2014 |
| Children of primary articles - stick figure Encyclopedia | 978-7-5385-7883-6 (7-5385-7883-8) | 2014 |
| Children senior posts - stick figure Encyclopedia | 978-7-5385-7885-0 (7-5385-7885-4) | 2014 |