Sefiras Haomer – is it nowadays a mitzvah from the Torah or Rabbinic?

From All: R Ari Wasserman by R Ari Wasserman.

• Published: 2019-04-24T00:00:00Z
• Duration: 5:30
• Audio: https://shiurim.yutorah.net/2019/68464/923315.MP3
• Page: https://yutorah.org/lectures/923315
• TorahApp: https://torahapp.org/share/p/YU_83098_all/e/yu%3A923315