16D50 8 16D10 2 16L60 2 16N80 2 $Rad$-s-injective modules 1 $Rad$-supplement submodules 1 (ample) ss-supplement 1 06F25 1 16D60; Secondary 16L30 1 16D99 1 16E65 1 16G60 1 16L30 1 16P20 1 16P40 1 16P50 1 16P60 1 16P70 1 16S90 1 18G10 1 Almost injective modules 1 Calabi-Yau category 1 Goldie modules 1 Injective modules 1 Primary 16D40 1 \(\mathcal{Q}\)-copure Baer injective module 1 \(\mathcal{Q}\)-copure submodule 1 \(\operatorname{Rad}\)-supplement 1 abelian and quasi-duo rings 1 artinian serial ring 1