https://books.google.fr/books?id=7MP0zusUfkcC&pg=RA2-PA5&lpg=RA2-PA5&dq=jacob+nena+december+1977&source=bl&ots=UoA_l7nomV&sig=ACfU3U1epgSkoXGdO9KNJeaM99rUf5XYpQ&hl=fr&sa=X&ved=2ahUKEwj84c2EnbH8AhW7U6QEHf6QBCAQ6AF6BAgoEAM#v=onepage&q=jacob%20nena%20december%201977&f=false
https://www.abc.net.au/pacific/programs/pacificbeat/chuuk-independence-vote-pushed-back-another-year/10870644
https://www.jstor.org/stable/j.ctv23hcdrc.13#metadata_info_tab_contents
https://www.rnz.co.nz/international/pacific-news/364777/chuukese-defiant-about-independence-from-fsm
https://digital.library.manoa.hawaii.edu/items/show/19339#?c=0&m=0&s=0&cv=0&xywh=-103%2C-1%2C846%2C480
https://pacificdigitallibrary.org/cgi-bin/pdl?e=q-000off-pdl--00-2--0--010-TE--4-------0-1l--10en-50---20-about-jacob+nena--00-3-1-00bySR-0-0-000utfZz-8-00&a=d&c=pdl&srp=0&srn=0&cl=search&d=HASHaf647e96ad280799b6f85e.3