Sabinus, Sabinus, 		Yurisinthae, Erlinda, AND 		Oktoriana, Shenny.
" IMPLEMENTASI SERTIFIKASI INDONESIAN SUSTAINABLE PALM OIL SYSTEM (ISPO) PADA PETANI KELAPA SAWIT SWADAYA  DI KABUPATEN SANGGAU" <em>JSEP (Journal of Social and Agricultural Economics)</em> [Online], Volume 14 Number 2 (31 July 2021)