How to reference assets in DOTS subscene (Entities 1.3)

Unity Engine
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So, I made a simple system to play audio clips on AudioSources I create at runtime in ECS. I added an AudioClip in a class IComponentData. It works fine in the editor, but when I build a player, it does not work. I feel I lose the reference to the asset in the build.

Is this the way I should reference to assets such as AudioClips in Unity? If not, how?