00445nam a2200133Ia 4500 220216s9999 xx 000 0 und d Tiong Gan Lian Evaluation of adopting the controlled upward tapping system after panel BO-2 tapping Proceedings of the Rubber Research Institute of Malaysia, Rubber Growers Conference 1986 1986 131-143 CUT Kheng Chew O E JS 58890 58890 0 0 0 8 MAIN MAIN 2021-12-17 0 2021-12-17 00:00:00 2022-02-16 JS