Abundance for semi log canonical compact Kähler threefolds

In this article we show that if $(X,Δ)$ is a compact Kähler slc pair of dimension $3$ such that $K_X+Δ$ is nef, then $K_X+Δ$ is semiample. Moreover, we extend our result to a special subclass of Fujiki class $\mathcal{C}$ varieties, and show that in this subclass, if $(X, Δ)$ is a slc pair and $K_X+