الأبحاث التي نسبها Peerford إلى John Elvis Hagan Jnr.، 2016–2026. سنة 2026 لم تكتمل: ستزداد أرقامها مع فهرسة أبحاثها.
John Elvis Hagan Jnr., Michael Miyittah
Heliyon11
Edmond Kwesi Agormedah, John Elvis Hagan Jnr.
BMC Psychology
Edmond Kwesi Agormedah, John Elvis Hagan Jnr., Regina Mawusi Nugba
Psychology in the Schools4
PLoS ONE3
Edmond Kwesi Agormedah, John Elvis Hagan Jnr.
Health Science Reports4
Edmond Kwesi Agormedah, John Elvis Hagan Jnr.
Heliyon4
Edmond Kwesi Agormedah, John Elvis Hagan Jnr.
BMC Psychology4
Reproductive Health1
Edward Wilson Ansah, John Elvis Hagan Jnr.
Behavioral Sciences
Edmond Kwesi Agormedah, John Elvis Hagan Jnr.
Frontiers in Psychology5
Edward Wilson Ansah, John Elvis Hagan Jnr.
BMC Health Services Research
Edward Wilson Ansah, John Elvis Hagan Jnr.
Infectious Disease Reports3
Jacob Owusu Sarfo, John Elvis Hagan Jnr.
Behavioral Sciences3
Jacob Owusu Sarfo, John Elvis Hagan Jnr.
Children13
Edmond Kwesi Agormedah, John Elvis Hagan Jnr.
Frontiers in Communication34
Journal of Healthcare Engineering3
Edmond Kwesi Agormedah, John Elvis Hagan Jnr.
COVID4
Jacob Owusu Sarfo, John Elvis Hagan Jnr., Mary Aku Ogum
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