Azmi, Yudia, Mardiani Putri, Fradilla Swandi, Rannando, and Salmiyati. 2024. “The Effect of Palm Oil Boiler Ash on The Growth of Lettuce Plants (Lactuca Sativa L.)”. Open Science and Technology 4 (2):44-49. https://doi.org/10.33292/ost.v4i2.122.