by 김지숙(Ji Sook Kim), 국영롱(Young Long Kuk), 박정연(Jung Yeon Park), 장유정(You Jung Jang), 박철휘(Chul hwi Park)
Published in Daehan hwan'gyeong gonghag hoeji (01.05.2019)

by 윤효석(Hyoseok Yoon), 박창주(ChangJu Park), 박정연(Jung Yeon Park)
Published in 스마트미디어저널 (31.07.2022)

by 이미옥(Mi-Oak Lee), 박정연(Jung-Yeon Park)
Published in 한국구강보건과학회지 (30.07.2015)

by 박정연(Jung Yeon Park), 이경은(Kyung Eun Lee), 이나영(Na Young Yi), 곽동경(Tong Kyung Kwak)
Published in Korean journal of community nutrition (2010)

by 이미옥(Mi-Oak Lee), 박정연(Jung-Yeon Park)
Published in 한국구강보건과학회지 (30.10.2014)

by 박순미(Soon-Mi Park), 박정연(Jung-Yeon Park), 김판길(Pan-Gil Kim)
Published in 한국콘텐츠학회 논문지, 18(9) (2018)