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. JAT [Internet]. 2023 Jan. 30 [cited 2026 Oct. 1];4(1):67-73. Available from: https://ejournal.unsrat.ac.id/v3/index.php/samrat-agrotek/article/view/44100