Prameswari, W., Anandyawati, A., Prasetyo, P., Salamah, U., Oktavia, D. and Setyowati, N. (2022) “Natural plant growth regulator effect on the vegetative growth of Long Pepper (Piper retrofractum Vahl.)”, International Journal of Agricultural Technology, 18(3), pp. 1167–1178. available at: https://li04.tci-thaijo.org/index.php/IJAT/article/view/7306 (accessed: 15 September 2025).