@foreach ($abonnements as $f) @endforeach

ref	code_unique	Personnel	Direction	mois	mode_paiement	montant	observation
{{ $f->id }}	{{ $f->code_unique }}	{{ $f->personel?->full_name() }}	{{ $f->personel?->direction }}	{{ $f->mois }}	{{ $f->mode_paiement }}	{{ $f->montant }}	{{ $f->observation }}