Timburas, R.D., Pinaria, A.G. and Lengkong , E.F. 2023. The Effect Of Several Concentrations Of Growth Regulatory Substance (ZPT) Auxin NAA (Naphthalene Acetic Acid) On The Root Growth Of Vanila (Vanila planifolia Andrew) Cuttings. Jurnal Agroekoteknologi Terapan. 4, 1 (Jan. 2023), 67–73. DOI:https://doi.org/10.35791/jat.v4i1.44100.