Analisis peranan work-life balance, komitmen afektif, dan motivasi intrinsik pemilik usaha mikro kecil (UMK) sebagai mediator dalam pengaruh praktik pengelolaan sumber daya manusia dengan kinerja UMK = The analysis of work-life balance, affective commitment, and micro small enterprise (MSE) owner's intrinsic motivation as mediator in relationship between human resource practice and MSE performance