herijanto thamrin, “Pengaruh Pola Tanam Tumpangsari terhadap Unsur Hara, pH Tanah serta Pertumbuhan Diameter Tanaman Jabon (Anthocephalus cadamba Miq.) di PT. Bhinneka Wana: The Effect of Intercropping Patterns on Nutrients, Soil pH and Diameter Growth of the Jabon Plant (Anthocephalus cadamba Miq.) at PT. Bhinneka Wana”, buletinloupe, vol. 18, no. 02, pp. 181–186, Dec. 2022.