Amani Joseph Mwakalobo, Neema Peter Msuya, Baraka Emmanuel Mhando, & Rehema Daniel Mtemi. (2026). Beyond Fertilizer Alone: How Extension Access Shapes the Productivity Payoff of Tanzania’s Fertilizer Subsidy Program. Journal of Economics Business Industry, 4(1), 28–41. https://doi.org/10.59976/jebin.v4i1.344