Table 2 Matrix of systemic self-interaction

1

Awareness to used cooking oil as biodiesel

J

I

I

J

J

J

I

I

I

I

I

2

Human health concern

J

N

J

J

J

J

J

J

I

J

3

Used cooking oil collection centers

J

N

J

J

N

J

J

I

I

4

Biodiesel production facility

J

I

I

J

I

J

J

J

5

Supply of used cooking oil

J

N

N

J

J

J

N

6

Production Technology for biodiesel

J

J

J

N

J

J

7

Belief in environment concern

B

I

I

I

N

8

Availability of technical expertise

J

I

I

J

9

Financial assistant to biodiesel producer

J

I

I

10

Quality of human resources

J

I

11

Biodiesel supportive vehicles

J

12

Government policy and support