Belajar Pengadaan
Bahan belajar Pengadaan :
https://youtube.com/c/HeldiYudiyatna
www.heldi.net
https://youtube.com/playlist?list=PLPCvSQDkG4uUujaOj2JHqR_0IVoPakjTJ&si=__mIGNMxy1nr3At0
Ini playlist belajar level 1
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