The Effect Of Auxin Concentration (Rootone F) And The Application Of Lamtoro (Leucaena Leucocephala) Leaf POC On The Growth Of Robusta Coffee (Coffea Canephora) Seedlings - Setiawan, Fajar; Setiawan, Andi; Warsito, Kabul (Jurnal Multidisiplin Dehasen (MUDE), 2026)