How to add multilocations on google map using angular 7 ?

Question

How to add multilocations on google map using angular 7 ?

How to

step 1 : on html component

<agm-map
[latitude]="lat"
[longitude]="lng"
[zoom]="zoom"
[disableDefaultUI]="false"
[zoomControl]="false">
<agm-marker
*ngFor="let m of markers;"
[latitude]="m.lat"
[longitude]="m.long"
>
</agm-marker>
</agm-map>

step2 :on component.ts

 

export class ManagelocationsComponent implements OnInit, AfterViewInit {
markers=[];
this.partDetailsService.getLocationData(locationArr).subscribe(res => {
res.forEach((item, index) => {
let dataLocation = res[index]['_source']['GPS1'];
})
console.log("dataLocation values is" + dataLocation );

Result points for latitude and longtude from browser :

 

dataLocation values is

 

5.2951916,100.28825170000005,
30.788892,120.632503,
13.658933,100.634069,
10.328074,123.983185,
31.332119,120.723465

 

I need to add latitude and longtude above on  googlemap 

so How to represent this please