Min, Byung-Kyun(민병권) (2021-01-07). "마음 따뜻한 '초코파이 情', 한정판 '초코파이情 해피베리쇼콜라' 출시" [Launched a heartwarming “Choco Pie 情” and a limited edition “Choco Pie 情 Happy Berry Chocolate”]. Korean Dutyfree News.
San, Mi-jin(산미진) (2020-03-05). "전통맛 살리니 인기…오리온 '찰 초코파이' 1500만개 팔려" [Popular because of the traditional taste… Orion's 'Chal Choco Pie' sold 15 million]. Ma-eil Kyeong-je.