SAP HANA và ABAP programer
THAM KHẢO TÀI NGUYÊN
SAP HANA developer studio
https://help.sap.com/doc/fbb802faa34440b39a5b6e3814c6d3b5/2.0.05/en-US/SAP_HANA_Developer_Guide_for_SAP_HANA_Studio_en.pdf
SAP HANA adminstration
https://help.sap.com/doc/eb75509ab0fd1014a2c6ba9b6d252832/2.0.05/en-US/SAP_HANA_Administration_Guide_en.pdf
LẬP TRÌNH VỚI ABAP
VERSION 2001 ( TÀI LIỆU CŨ) https://download.consolut.com/direct/SAP_PrintDoku/en/BCABA/BCABA.PDF
VERSION MỚI 2020 3.14 https://help.sap.com/doc/7c0dc3673ea54d5c97c34f87e2d87c55/Cloud/en-US/abap_dev_user_guide_EN.pdf