“THE EFFECT OF CONCENTRATION AND FREQUENCY OF APPLICATION OF SHALLOT EXTRACT AS A NATURAL GROWTH REGULATOR (PGR) ON THE GROWTH OF ROBUSTA COFFEE SEEDLINGS (COFFEA CANEPHORA)”, Teknofarm, vol. 1, no. 1, pp. 7–13, Nov. 2025, Accessed: Feb. 04, 2026. [Online]. Available: https://jurnal-alfatah.id/teknofarm/article/view/3